Exhaust Leak Symptoms

Sources of CO include gas water heaters, charcoal grills, propane heaters and stoves, generators, and many others. It could be worn throttle shafts, cracked or hard vacuum lines (i. When your power and acceleration decrease,. What are some common symptoms of an exhaust leak. 9L four cylinder engine was evaluated for leakage of cylinder charge through the exhaust valve seats. As little as 0. When it fails or has any issues, it can cause all sorts of problems for the vehicle. Can You Drive with a Blown Head Gasket?. The exhaust of your vehicle is extremely important and the exhaust system is made up of many different parts that all work together to ensure that the fumes leave the engine and disperse out into the atmosphere rather than into the cabin of your vehicle. This might be one of the most obvious symptoms of a bad exhaust resonator, and it happens when corrosion or damage leaves holes in the exhaust. If you hear sputtering, then you know that there is a leak somewhere. Wasn't too worried about the miles since its TDI and dude was commuting a few times a minth between Cali and Az for work. An exhaust leak can decrease fuel efficiency, causing your engine to work harder, and you to fill up your gas tank more frequently. WARNING: Even a small exhaust leak that causes exhaust gases to get inside the vehicle can affect a driver's judgment and perception. burning in the esophagus. RE: Exhaust Leak at Manifold IP: Logged Message: Mine is a 2005 4. I found a picture on another site from the same car so that you can get a visual of where I'm talking about. an exhaust leak is a ticking sound and it gets fast but not always louder with rpms. If you have a bad enough leak near the exhaust port on the head and suck in very cold air you can warp a valve. Long bolts,many gaskets and covers. your power band will feel jumpy because the exhaust is not constantly leaking out there. The symptoms of a stuck open EGR valve are a rough idle with a lean air fuel mixture. :shock: This usually results from cheap, poorly designed pipes OR not getting the muffler pushed onto the pipe far enough before you tighten it. Engines don’t have hearts or souls. To put it simply, Carbon monoxide Kills! Working near exhaust fumes exposes you to poisonous carbon monoxide (CO) gas, which is present in large amounts in vehicle exhaust fumes. Pesky exhaust leak Has anyone experienced an issue where the exhaust leaked somewhere near the manifold, but not necessarily at the manifold. We have repaired these in the past by either replacing or resurfacing the manifold, drilling out the stud(s), replacing all the fasteners, etc. If you don't address the problem, your vehicle will eventually run out of brake fluid; however, chances are you won't get to that point, as the brakes won't continue to work after the fluid level drops beyond a certain level. 3 million Explorers based on reports of exhaust, which contains carbon monoxide, seeping into the passenger cabin. If the idle sputters or changes then you know that their is a leak in that area. It's not at the downpipe to exhaust flange & don't think from downpipe to turbo housing. Excessively noisy engine: One of the first symptoms of a problem with an exhaust manifold gasket is an excessively noisy engine. It will check for exhaust gasses being present in the cooling system. The Dangers of Vehicle Exhaust. Leaking water manifold and/or connections. Its composition may vary with the fuel type or rate of consumption, or speed of engine operation (e. A leaking head gasket will not always show up on a pressure test. But yeah, if you think about it, if air leaks in where there is no gasket, then the O2 sensor will see more air than it normally would if things were actually sealed up. but annoys me. Long bolts,many gaskets and covers. To test for a leaking EGR valve temporarily block off valve with blanking gasket and recheck for lean air/fuel symptoms. Engines that have turbo are more prone to a boost/intake leak as compared to non-turbo engines , because of the added numbers of pipes and hoses joining the turbo with. Maybe one of the small casting plugs in the head between the head and gasket, but I kind of doubt that one as it's sealed with the casting plug and then the gasket should seal it off too. Leaking engine or auxiliary oil cooler. 4 The converter of the car is effected. In my experience, you will surely hear the leak if it is big enough to cause a huge performance. Oct 13 2012, 1:30pm i have the same year and model and also have a manifold leak the re learn worked great for mine even with the exhaust leak, dont let the mechanic try to talk you out of the re learn it will work, mine also had the same symptoms after the relearn i never saw the. do a compression test to check for damage. You may also feel the whole car shake if the exhaust leak is big enough. What are the symptoms? I have a rough idle and appears to me louder and rougher overall compared to my older 1990 22RE that I owned. So you bought a new exhaust system from the cylinders back and not just slip-on's? Do you still have a cross over pipe? I had an exhaust leak that for all practical purposes was really not there. The importance of an exhaust system usually only comes into focus once problems arise. Consequences of Exhaust System Leaks. 09-23-2007, 11:16 PM. hose), loose mounts and many others. To understand why an exhaust leak is so detrimental to O2 sensor (also known as a wideband sensor) performance, one must first understand how an O2 sensor works. ccrainman is offline. This might be one of the most obvious symptoms of a bad exhaust resonator, and it happens when corrosion or damage leaves holes in the exhaust. one of the bolts at my cat flange backed out and i was leaking exhaust there, and the car just farted a lot. The symptoms of a stuck closed EGR valve are pre-ignition, ping, and knock. Cracked / warped passenger's side manifold. Engines that have turbo are more prone to a boost/intake leak as compared to non-turbo engines , because of the added numbers of pipes and hoses joining the turbo with. The leak actually was a bent flange between the exhaust manifold and the y-pipe on the passenger side. Re: Leaking Exhaust Gasket Are you retorqueing the bolts after warming the engine. warm, but dry. " If your bike suddenly starts idling higher for no particular reason, an air leak might be to blame. Poor Ignition Performance. There is the exhaust pipe, the exhaust manifold, the oxygen sensor, the catalytic converter, and the muffler. Harley telling me there is an exhaust leak, I never noticed a problem. The Chevy Cruze coolant leak symptoms include lack of heat, burning coolant smell, gurgling and even a check engine light code P0597 through P0599. If the pipes become damaged or corroded, they can sometimes produce an exhaust leak that can cause the vehicle to experience performance issues. Erratic symptoms like these can be the sign of an air leak at the intake manifold or carburetor. Stop the engine. 0 liter engine. An exhaust leak repair cost also concerns labor rates and that is really up to the mechanic. Last time I took it in for oil change and tire rotation, the shop owner informed me of an "exhaust leak" that would most likely lead to an inspection failure. Engine Tapping I my case, (F-150, 153k miles ), I thought for sure it was an exhaust leak because it would tap loud on cold day startups and then go away after the engine warmed. Explosions when cutting gas (air gets sucked into the exhaust pipe, mixes with partially burnt fuel mixture and explodes). Having had an exhaust leak at the header (v6 Maxima) and having diagnosed several more, I'd say that a header leak has a distinctive sound - not like the sound of a leak at the bottom of the header or otherwise down the pipe, but pre-catalytic converter or muffler. If the leak is occurring in the manifold gasket or the manifold flange. The turbine is the component that takes the heat and pressure from the exhaust and converts it to energy to rotate the turbine wheel. This article outlines three common symptoms of an exhaust leak. A hole in the exhaust hose, broken hose, or loose hose connection can cause a leak. 2 The engine might make noise while driving. Hope you will enjoy our guide and it will solve your problems. I wanted to see what she sounded like opened up so I did the "washer mod". If the leak is occurring in the manifold gasket or the manifold flange. My car had an annoying exhaust leak on #2 so I removed the 50 year old Victor exhaust gasket and installed a new currently made one and installed alignment rings into the intake and also #4 & #1 exhaust. They wanted to replace the pipe AND the 2 sensors on each end, to the tune of $1,000. An exhaust leak can affect how your car runs or it can mostly just make your car's exhaust louder. I had the passenger side done about a year ago and its been fine. If the leak is occurring in the manifold gasket or the manifold flange. Air Leak at Exhaust Port of Quick Release Valve in Rear Axle Tractor with Service and Parking Brakes Released. Examine the exhaust system for damage and leaks. A faulty exhaust manifold gasket will produce an exhaust leak that will sound like a hissing. If you don't pay attention to your fuel delivery system then your mileage will suffer. However, this all depends on the setup. All of these can be signs of an intake manifold leak. Even slight drops/gaps can cause this noise. Depending on if the leak was in front of or behind the muffler. The crankcase halves should be smooth where they are fitted together, with liquid gasket (e. Unfortunately, manifolds often develop stress cracks from the extreme heat that they are subjected to. An exhaust leak from a broken pipe can cause the vehicle to experience a decrease in power, acceleration, and fuel efficiency due to the loss of backpressure. Again, check the other symptoms to distinguish an engine manifold leak from other leaks. > Exhaust pipe: any leak in the exhaust, especially before the upstream oxygen sensor will cause a false O2 sensor output. An exhaust leak can definitely cause it to run like shit but it would take a decent size leak to be that noticeable. 7 quad cab, and it had been "ticking" for some time. The Dangers of Vehicle Exhaust. This symptom is most noticeable at idle. that exhaust pipe to manafold gasket is a tempermental weakness. When idling can't really here it. especially at idle. The closer to the engine that the leak is the louder it may be. Do a compression test AND a cylinder leakage test. Decided to change the plugs this last Sunday. Close inspection of the outside of the engine can show the location of the leak. Ran great for about a week. Burning smell coming from the engine bay. Sources of CO include gas water heaters, charcoal grills, propane heaters and stoves, generators, and many others. Next, scrub the area around the leak with a steel-toothed brush, sand the surface of the pipe to rough up the metal, and wipe the pipe down with acetone. Intake Manifold Leaks. A third sign your exhaust may be leaking is if your gas pedal vibrates while you are driving. Problem #7 Air Leak at the Exhaust Port of Tractor Protection Valve with Tractor and Trailer Brakes Released. There are two holes, one on which muffler, on the side of it, that connects to a support tube. new 2006 Jetta TDI with Exhaust leak I just bought a 06 Jetta TDI that was really clean 140K on the clock, one owner, good carfax report, all the options etc. More likely timing, Vacuum leak, Map sensor leak or restricted, throttle switch in need of adjustment, EGR stuck open or faulty, malfunction of speed sensor trigger. Then when you pull them, look in the exhaust ports for signs of rust around the valve/seats/stem. Then the exhaust gases escape past the radiator cap and are released into the coolant overflow tank. Charlie There is much to be said, in a world like ours, for taking the world as you find it and fishing with a worm. Leaking engine or auxiliary oil cooler. Your engine may actually draw burnt exhaust gasses back into the combustion chamber and dilute the efficiency of the next burn cycle. A leak in the manifold causes oxygen to enter the exhaust stream, resulting in an improper mix of fuel and higher emissions. The 5mm bolt is hard to see since it's under the sensor. It would take a fairly substantial pre turbo leak to affect performance and also to the O2 readings would be off slighty because of the fact that the exhaust gases are leaking out. Exhaust manifold gasket leaks can range from the simply irritating to the destructive and can sometimes indicate a more serious problem. A malfunctioning exhaust system could mean that those toxic emissions are being piped into your vehicle, where they can do serious damage to your health. The most common entry point is the junction of the header pipes and mufflers. Leaking Exhaust Symptoms: Jeep Liberty. This article outlines three common symptoms of an exhaust leak. You might notice a new vibration when you touch the steering. The manifold was replaced and no more issues. Th reason you don't smell it while driving is because the air flowing air under the car is blowing the exhaust. :shock: This usually results from cheap, poorly designed pipes OR not getting the muffler pushed onto the pipe far enough before you tighten it. I have a 08 Tundra with only 36000 miles purchased 6 months ago. Then start it up when the sound is loudest. All the discharges collected by the manifold are routed through the exhaust pipe. One of the other symptoms of a bad oxygen sensor is a bad smell in your car. One of the first symptoms of a problem with an exhaust manifold gasket is an excessively noisy engine. The coolant leaking from below the exhaust flag can also be a red flag, and bubbles may form in the radiator or cooler overflow tank. A small leak will cause higher WGDC's, but still probably hit target. The extra oxygen may come through a leak in the exhaust manifold gasket, an exhaust pipe sealing ring, or a damaged pipe. However, fuel trim data may point at a problem elsewhere, so fuel trim data can be very useful in diagnosing engine problems. Yes, an exhaust leak can make your car feel like it's towing a boulder. Be careful, exhasut leaks under the hood is a safety issue and has been linked to excessive carbon monoxide blood levels and accidents, specifically role overs. The stock exhaust gaskets that in 3 per side suck and are a pain to install. Signs of an Intake Manifold leak!!!! 5. This might be one of the most obvious symptoms of a bad exhaust resonator, and it happens when corrosion or damage leaves holes in the exhaust. Don't just turn up the radio to drown out a loud muffler. Recently driving with windows up I noticed a exhaust leak type flutter sound up front when on the gas. Anyone know how small an exhaust leak can be and cause erratic idle? I recently (a few months ago) made the mistake of letting a local machine shop (rhymes with larrys) surface my exhaust manifold before I installed my head. In this post I will try to describe all my experience diagnosing and fixing boost leaks. Each of these symptoms could also have other causes and an actual blown head gasket may show none of the above symptoms. I assumed that the code was related to the exhaust leak. You will here the PFT PFT PFT sound of the leak. So, here are those symptoms to know that can save you from having those exhaust valve burnt. Because carbon monoxide is odorless, colorless and non-irritating, it’s impossible to detect without the correct instruments. I wanted to see what she sounded like opened up so I did the "washer mod". that exhaust pipe to manafold gasket is a tempermental weakness. i have never heard a pop or ping with an exhaust leak, altough im not an expert but it sounds like it might be in the engine. He wanted so badly to be well, but his symptoms slowly returned. Exhaust manifold cracks and warpage problems are common. Below are the symptoms of a cracked exhaust manifold. It's not too detrimental, but you will want it fixed. Any exhaust leak is bad but what you need to determine is how bad it is. We have written a lot of articles lately on how to troubleshoot problems with your furnace, but today’s topic is a bit more serious. One of the other symptoms of a bad oxygen sensor is a bad smell in your car. Static leakdown tests do not correlate with the Fast FID measurement, unlike previously published reports for a different engine. When the engine was cold, I could hear and smell an exhaust leak. There are a few other areas that these vehicles like to leak, but after these are taken care of these vehicles are pretty bullet proof in my opinion. Each has its own function that contributes to the carrying away of gases. However, a damaged or leaky exhaust manifold could cause a strange burning smell to be noticed in the cabin. Signs of an Exhaust Leak If you are looking for some guidelines on dealing with exhaust leak problems, you have landed on the right page. Having the exhaust repaired before it gets too loud offers the most benefit to you. go to the local autoparts store and they should have mr. If you experience any of these symptoms of an exhaust leak make an appointment…. the upper 2 exhaust manifold blots go thru into the oil return galley/inside the cam housing, they will leak, the lower bolts go into a blind hole and cannot leak. It controls the flow of exhaust gases from the exhaust manifold into the intake manifold. I'm running open downpipe now with the downpipe braced by one of the stock brackets just past the old precat location. You would also expect to find the exhaust manifold leaking if the studs are bad, nuts are bad, nuts are not properly tightened, or if the washers (one large, bridging the flanges between the intake/exhaust manifolds) and their lock washers are missing. Decreased Fuel Efficiency. A header leak will be very noticeable. Has anyone else had this problem or anything similar? It almost sounds like a very slight exhaust leak from the driver’s side header gasket but I'm no mechanic. The exhaust gases of a vehicle are made up of: Hydrocarbons (unburned fuel), Carbon Dioxide, Sulfur Dioxide, Carbon Monoxide, Nitrogen Oxides, Phosphorus, Lead and other metals. A cylinder leak down test can be performed with a leak down tester to help determine if an exhaust or intake valve could have a problem. Re: symptoms of a blowing exhaust. So if you have poor MPG and exhaust leaks, you might want to address those as part of your effort to get better gas mileage. Today I go to the grocery store and as I am leaving I notice what sounds like an exhaust leak under the hood. A leak back there would cause an evap leak code not a vacuum leak persay. How To Fix An Exhaust Leak - Conclusion. A large leak will be a very noticeable drop in power and target may not be reached. This air does not pass by the throttle, the computer does not account for it, so the engine runs on a lean mixture. ventilation system). The Exhaust recirculation (EGR) system redirects a small amount of exhaust gases back into the engine intake to lower the combustion temperature. Decided to change the plugs this last Sunday. > Exhaust pipe: any leak in the exhaust, especially before the upstream oxygen sensor will cause a false O2 sensor output. What are some common symptoms of an exhaust leak. Failing injectors will often leak fuel into the crankcase, resulting in elevated oil levels and even leaks that appear to be from the rear main seal. What are the symptoms of an exhaust leak in a 2001 Subaru Outback and how long can you drive the car with this issue Also what other issues will come up if it doesn't get fixed right away?. Troubleshooting An Air Leak. A faulty exhaust manifold gasket will produce an exhaust leak that will sound like a hissing. It is very possible that you have a blown/leaking head gasket. They can’t keep going out of loyalty or break down as an act of rebellion, but are essentially straightforward things that depend on a sequence of simple processes to keep going. Perhaps it's a small leak that doesn't leak vacuum but does leak boost? Carb cleaner shouldn't work if that's the case. The extra oxygen may come through a leak in the exhaust manifold gasket, an exhaust pipe sealing ring, or a damaged pipe. hose), loose mounts and many others. Get under the truck and place your hand near the connection. Incorrect PCV valve/orifice flow rate can also cause similar symptoms. Diesel exhaust is a mixture of gases and particulates produced during the combustion of diesel fuel. I have an exhaust leak directly after the O2 sensor at the flange and I was wondering if it could be causing the rough idle that the car has. When the exhaust manifold is leaking, the backpressure supposed to be in the exhaust system will not be correct, thus reducing the engine power. The head gasket seals the combustion chamber allowing your car to build the proper compression and contain exhaust gases. The very high temperature causes the viscosity of the gas to increase, all at which alters the Reynolds. Charlie There is much to be said, in a world like ours, for taking the world as you find it and fishing with a worm. If you're gas pedal vibrates while driving, especially during acceleration, this is a good indication of an exhaust leak. This symptom is most noticeable at idle. If it was bolted solid it would crack and fail. Since prolonged exposure to this gas can result in serious illness or even death, it is important to be able to recognize the symptoms of carbon monoxide poisoning. 1) Worse Fuel Economy – When you have an exhaust leak, your engine is going to consume more fuel than normal. A leak in the manifold causes oxygen to enter the exhaust stream, resulting in an improper mix of fuel and higher emissions. Exhaust Leak, 850, Real Loud Now. Unfortunately, manifolds often develop stress cracks from the extreme heat that they are subjected to. The best test: get a "combustion leak test kit" available from Napa or Autozone. The increase in sound output from your exhaust system can actually lead to a ticket for excessively loud exhaust in some areas. The biggest clue to look for is an intermittent hiss 2. On smaller. A stuck-open EGR valve causes the same symptoms as vacuum leaks. What are the expected symptoms of an exhaust leak at the head, or a crack in the 'Y'-pipe for the rear cylinder of a touring model? Thanks, Rich P. what is the best method without welding? i don't want to have to drop the entire exhaust if i don't have too. If your leak sounds like it is underneath the vehicle near the center section of the exhaust, you are probably not looking at an expensive repair. Being that it comes and goes I have been looking closer at the EGR system wondering if it is coming from there but have not came up with much. A lot of aftermarket header pipe diameter are smaller than stock. A leak in the exhaust system can cause big problems for the customer; decreased gas mileage, problems with the catalytic converter and damage to other components. In particular, exhaust leaks can negatively affect your vehicle in a number of surprising ways. They always loosen up for me. This particular crack was not only causing the exhaust gases to leak, it also created the potential for cold-air to be sucked into the pipe with the possibility to cause warped exhaust valves. It's leaking around the gasket. Also check for a possible damaged exhaust manifold, manifold to cylinder head leak, or exhaust flex joint problem (spring, seal). It's around the exhaust manifold heat shield. If water is leaking to the outside, it is also leaking to the inside. That is because continuing to drive with an exhaust leak or bad catalytic converter can damage other things in your vehicle's operating system. I have had good luck pressuring up the intake system with my air compressor to find leaks on the intake side, so I decided to do the same on the exhaust side. Symptoms usually develop just after working on or around the carburetor. The Dangers of Vehicle Exhaust. Harley telling me there is an exhaust leak, I never noticed a problem. It's not too detrimental, but you will want it fixed. An exhaust flange is a device used to attach an exhaust pipe to an exhaust manifold or another piece of exhaust pipe. Look all around and under truck for leaks. You may also smell exhaust if your system has a hole or leak in it. There are two holes, one on which muffler, on the side of it, that connects to a support tube. RE: Exhaust Leak at Manifold IP: Logged Message: Mine is a 2005 4. I've been reading other threads and maybe what I'm hearing is explained by others as a "whizz" or "whirr" indicative of an exhaust leak, resulting in exhaust fumes in my heat. Then open the car hood and locate the coolant overflow tank. Ten Sounds That Tell You When Your Car Is Broken. Engine Exhaust System Problems of Ford F-150 - part 1 Ford F-150 owners have reported 98 problems related to engine exhaust system (under the engine and engine cooling category). but annoys me. ” If you breathe in a lot of CO it can make you pass out or kill you. According to eHow, fuel lines can develop leaks over time because they are prone to rub against metal under your vehicle. So I bought the exhaust manifold and gasket and installed it my self but the leak is still their. I always thought I had a leak in the exhaust some where, I thought it was under the truck. This is the sound of unmuffled exhaust, and is the most obvious symptom of. Leaking engine cylinder head gasket: Coolant passes into the cylinders or the crankcase. Turned out to be a tiny crack that was difficult to find. Exhaust elbow gaskets tend to start leaking after several months and if they aren't tended to right away will rust your valves and cylinder walls. I have an exhaust manifold leak, any advice on fixing this that will make it easier than I've been hearing ? Should I replace with an aftermarket manifold ? Jan 26, 2010 at 10:20 AM #2. Having the exhaust repaired before it gets too loud offers the most benefit to you. Tell you that the problem is in a spot where you specifically said it is NOT. Look for leaks caused by the wrong base gasket or if it was installed upside down. It's leaking around the gasket. Symptoms include loss of power, heat coming from the floor of your car, glowing red converter or a sulfur smell. We all felt the effects of the smoke, like someone had zapped our strength. Symptoms of a Coolant Leak When your car begins to leak coolant the first indicator is the engine will start run hot and possibly overheat. Usually you will see the metal cross mesh broken off and you might not see the leak on the accordian like flex joint. An exhaust manifold leak gives a similar sound, only less distinct. Under full throttle if anything was leaking stuff would be leaking out so your WOT readings would be normal. Obviously a car shouldn't have an exhaust leak, but mine has a small one. Exhaust Leak, 850, Real Loud Now. If your car is one of those models that do this, the symptoms of coolant leakage are pretty easy to spot. The manifold to cat gasket is a ring, not a regular gasket. Some kind of ring to keep the exhaust snug and no leaks. For further info contact the FLO Headworks customer service hotline, 805-481-6300. Symptoms of a Bad or Failing Exhaust Manifold Gasket 1. One of the most misunderstood concepts in exhaust theory is back pressure. The NRMA mechanic (being an older chap) had the answer. Normally that flex pipe rust out and it leaks though the wire mesh. At least a leak in the manifold is better than a leak in the cylinder head – much cheaper to replace. When you start up the engine and hear an increasingly loud noise coming Vibrating Gas Pedal. 0 CR TDI - Exhaust Leak from manifold gasket? A beautiful Q7 came in with 100K on the clock. Flex pipes are an essential part of any front wheel drive vehicle and on most all wheel drive vehicles. Symptoms of carbon monoxide poisoning. It can also damage other exhaust components downstream in the exhaust system. If you remove the spark plugs and find rust or water then you may have an exhaust water leak. Don't just turn up the radio to drown out a loud muffler. It may be carbon on the valve stem, it may need lapping in with grinding paste. 2) Accelerator pump problems. Intake Manifold Leaks. Hello everyone. It may be that the valve seats are not concentric with the valves. Erratic symptoms like these can be the sign of an air leak at the intake manifold or carburetor. This symptom is most noticeable at idle. Any exhaust leak is bad but what you need to determine is how bad it is. Burnt valves always have been and remain one of the largest repair issues in an aircraft engine. When your power and acceleration decrease,. For further info contact the FLO Headworks customer service hotline, 805-481-6300. Leaking Exhaust Symptoms: Volkswagen Golf. Some exhaust systems failure symptoms are, 1 The car's performance will lower down by failing to clear harmful elements. Jonathan mentioned a couple - I would add - there could be discoloration or scorch marks around any leak that isn't obvious. jaguarfuelinjectorservice. The fact that you are losing coolant says that there is definitely a leak within your cooling system whether it be a bad head gasket, leaking heater core, leaking freeze plug(s), or a cracked block. 7l's not counting any misfires. A small leak in the exhaust system can lead to a build up of CO inside the car. 0 liter engine. A lot of aftermarket header pipe diameter are smaller than stock. A faulty EGR valve or related component may leave the valve in either the stuck open or stuck closed position. The most recently reported issues are listed below. Can A Gasket Leak Cause An Oxygen Sensor To Fail And Would Either Of These Cause A Car To Buck And Halt I just had my ’98 Honda Accord’s engine replaced. Finally the flex pipe is where most of your leaks occor. Cracked / warped passenger's side manifold. Don't stand by exhaust pipes. Not only will exhaust leaks make your car sound worse and possibly put you and your passengers at higher. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. I have an exhaust leak directly after the O2 sensor at the flange and I was wondering if it could be causing the rough idle that the car has. This is because these parts remain relatively cold and give exhaust gases a chance to condense and form pools of corrosive acid inside. I always thought I had a leak in the exhaust some where, I thought it was under the truck. 2 The engine might make noise while driving. said would not hurt anything. Look all around and under truck for leaks. In certain cases, this problem can even lead to total engine failure, so it is important to have it looked at by a mechanic immediately. An exhaust leak can decrease fuel efficiency, causing your engine to work harder, and you to fill up your gas tank more frequently. If you notice that you have to fill up your gas tank more often than normal, have your exhaust system checked out by your local Pep Boys. The various symptoms include: headache, nausea, lightheadedness or dizziness, disorientation, depression, hallucinations, convulsions, loss of consciousness and finally death. Leaking air intake after cooler (intake air heater in some cases). I was totally amazed by how small an exhaust leak can be,, and still have popping. The symptoms of an exhaust leak may include a louder than normal exhaust sound, the sound of exhaust coming from unusual places on your car, a "ticking" noise when accelerating, and the smell of exhaust. Once you get to your catalytic converter and go back from there, a leak will sound more like a buzz, hum or your car or truck will sound like a hotrod. Below are the top 5 symptoms of an exhaust leak in a car. Noise like an exhaust manifold leak: bill kinyoun: 5-9-04 : Have a 1988 pace arrow with a 440 dodge engine. Signs/symptoms may include cough, sneezing, nasal discharge, headache, hoarseness, and nose and throat pain. Its symptoms may start similar to the hairline crack and could inevitably become a larger problem. Carbon monoxide has no odor. And when replacing the turbo manifold gasket use a straight edge or file to see if you turbo hotside face is warped and check the exhaust manifold too. They’re an external oil and/or coolant leak. An exhaust leak can definitely cause it to run like shit but it would take a decent size leak to be that noticeable. Symptoms Of A Burned Exhaust Valve - Explained Almost anyone with the car will have to face this once in a while. Symptoms of a Coolant Leak When your car begins to leak coolant the first indicator is the engine will start run hot and possibly overheat. Anyone know how small an exhaust leak can be and cause erratic idle? I recently (a few months ago) made the mistake of letting a local machine shop (rhymes with larrys) surface my exhaust manifold before I installed my head. Excess Exhaust Noise. I hope it is not anything major. We have repaired these in the past by either replacing or resurfacing the manifold, drilling out the stud(s), replacing all the fasteners, etc. Poor Power Ground. If it was bolted solid it would crack and fail. Leaking engine cylinder head gasket: Coolant passes into the cylinders or the crankcase. DIAGNOSE – ENGINE IDLES TOO HIGH. I'm sure many of you have heard or read the phrase "Engines need back pressure" when discussing exhaust upgrades. Engines have a sea of hoses of various shapes & sizes. It sounds like I have a broken exhaust manifold stud at the rear of the drivers side.