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exhaust system

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How to Troubleshoot a Car Exhaust or Engine Noise
Car exhaust systems and car engines make whirring, clicking, or sputtering noises if there's a faulty belt, alternator, water pump, or tension pulley.
How to Install an Exhaust System in Your Car
Your vehicle’s exhaust system plays a few very vital roles in keeping your car running efficiently and quietly. It aids in moving the exhaust gases created by the...
How Long Does an Exhaust System Hanger Last?
Your exhaust system takes quite a beating while it is suspended under your car. Think about it - you're traveling at high speeds, over bumps, through unfavorable road conditions, and much...
P0420 OBD-II Trouble Code: Catalyst System Efficiency Below Threshold (Bank 1)
P0420 code means that either the upstream or downstream oxygen sensor in the catalytic converter is not working. Replacing these parts can fix P0420.
How to Polish Exhaust Headers
Due to the degree of heat and amount of exposure that an exhaust header is exposed to from your system, it is prone to showing signs of wear and...
How to Replace a Broken Exhaust Support
Exhaust supports keep your car's exhaust system safe and secure. Signs of failure include rattling, banging, and knocking coming from under the car.
How to Repair an Exhaust Pipe
Your vehicle’s exhaust system is made of the exhaust manifold, catalytic converter, resonator, muffler and of course the piping to connecting it all together. Throughout the day,...
P2035 OBD-II Trouble Code: Exhaust Gas Temperature (EGT) Sensor Circuit Low Voltage Bank 2 Sensor 2
P2035 code definition Exhaust Gas Temperature (EGT) Sensor Circuit Low Voltage Bank 2 Sensor 2 Bank 2 refers to the back of cylinders without the number one cylinder. Sensor 2...
How to Replace a Muffler
As cars and trucks travel down the road, they all have a different sound that emits from the exhaust. There are so many factors that come into play when...
How to Replace an EVP Position Sensor
The EGR valve is monitored by a valve position sensor. This sensor helps your car's EGR system to run more efficiently and better control emissions.
How to Replace an Exhaust Air Supply Tube
The exhaust system depends on a fresh air supply to function properly. A bad exhaust air supply tube can lead to increased emissions or exhaust leaks.
How to Replace an Exhaust Clamp
An exhaust pipe is supported by exhaust clamps within a vehicle. A bad clamp can lead to exhaust leaks that can turn hazardous if not addressed.
How to Identify Car Exhaust Issues
Exhaust systems in cars cool the engine and keeps the environment safe from harmful gases. Even in small doses carbon monoxide can be very harmful.
How to Replace a Secondary Air Injection Hose
A car's secondary air injection system allows oxygen into the exhaust. If a hose is faulty, a car may have increased emissions and performance issues.
How to Replace an Exhaust Gas Recirculation (EGR) Tube
The EGR valve is connected to an EGR pipe, which helps distribute molecules through your vehicle’s EGR system. A bad pipe leads to performance issues.
How to Avoid Muffler Repair
Mufflers break when debris builds in the undercarriage, the muffler rubs against driving surfaces, or there is smoke emitting from the engine.
How to Replace a Broken Car Exhaust Hanger
Car exhaust systems include exhaust hangers that are fastened to the exhaust pipe to keep it quiet. Jack up your car to replace the exhaust hangers.
How to Silence Car Exhaust
Exhaust systems get rid of harmful gases as you drive your car. Car exhausts make noise when there are cracks or leaks in the car exhaust.
How To Replace An Exhaust Manifold Gasket
Exhaust manifold gaskets seal gaps to keep exhaust fumes out of the emissions system, as well as reduce engine noise and improve fuel efficiency.
How to Replace an Exhaust Manifold
Exhaust manifolds remove exhaust gas during the exhaust stroke. Engine performance issues and engine noise are signs to replace the exhaust manifold.

Related questions

Question
Flex Pipe to replace
In your application, the flex pipe is a 2 foot long exhaust pipe that connects the exhaust manifold on the car engine to the catalytic converter. The flexible segment on the "flex pipe" is just 6 inches in length and...
Question
New valve clicking noise
Hello. The ticking sound you are hearing will probably be an exhaust leak, valve lash,incorrect oil usage, or something improperly installed during the aftermarket exhaust installation, I suggest that a stethoscope is used by a technician to help determine what...
Question
Cat back with h22a4 resulted in some power loss .
Hello, thanks for writing in. When you upgrade the exhaust size to that extent, you create further issues with the power supply. Now you should turn your attention to increasing the amount of airflow into the engine. This may mean...
Question
Wrong Flexpipe size repair
Shortening the flex pipe should not have an affect on performance of the engine. The length of the pipe on a daily driver is not something that is very critical to operation. In a race car it becomes more important...
Question
I cant find specific laws on modifying vehicles.
The law states that all vehicles have to pass a state inspection for sound, lights, and safety. The following is the laws to follow when changing the items you have mentioned. ______________________________________________ Laws for exhaust The exhaust must be equipped...
Question
Engine makes really loud noise like a motorcycle 1998 Lincoln Navigator
Hi there - your symptom description suggests that an engine backfire in the exhaust has caused the muffler or catalytic converter to rupture. This would explain the noisier running and some of the smell you are experiencing. Check first to...
Question
Will my 2010 Ford F150 benefit from a performance exhaust?
Warped manifolds are a well known problem on the 5.4L engine. My personal F150 has a noticeable exhaust leak from the manifolds on cold start, but goes away once the engine warms up and the manifolds expand. As for adding...
Question
My park 2003 Cadillac Escalade was hit on the front driver side knock a foot from where it was parked and back up on the center is.
Due to the collusion on the vehicle, the exhaust system was damaged and causing excessive air to get into the exhaust before the oxygen sensors. If the engine light was not on before the accident and now it is on,...
Question
Cummins exhaust brake staying on
Check the DPF filter and see if it's plugged up. A plugged DPF filter will cause the engine exhaust brake to stay on, and the engine light will come on if the filter fully plugged up. If you need further...
Question
Need the exhaust manifold changed on this vehicle.
Look to see where the exhaust sound is coming from and determine if the manifold is cracked or if the gasket is burned. If the exhaust leak is coming from where the wide pipe under the car connects to the...
Question
Exaust system
Hello, thank you for writing in. While most components in the exhaust system have their own name, the piece of pipe that connects the exhaust manifold crossover pipe to the catalytic converter is considered part of the converter, or known...
Question
My truck won't start. I put a new fuel pump, cam shaft sensor, cleaned my crank sensor, and put a new battery in it. It will crank but not start.
Check the exhaust system for any leaks before the oxygen sensors. This can contribute to having more oxygen in the exhaust stream causing the sensors to register a false reading. If there is no leaks in the exhaust, then check...
Question
Own a 1989 F150, unusual rattling sounds in R and D, not in P or N, sound is back when giving it gas but goes away when cruising
Hello, thank you for writing in. The first thing to do is check around the vehicle, specially under the body where heat and other protective shielding may be used, the exhaust hangers holding the exhaust pipe, and under the hood....
Question
I'm converting my 1994 v6 Camaro to a v8. I'm putting in a 69 327 SBC motor. What headers do I use? Year? 1994 Chevrolet Camaro
Hello - since your '94 Camaro could be purchased with a 5.7L V8 as well (LT1, LT4), there are several header configurations that will work for you. Your driving and performance needs will have a lot to do with choice...
Question
Full exhaust system is not hooked up.
Check to see what on your exhaust system is hooked up. If your catalytic converter is hooked up and the pipes are hooked to the engine with good gaskets, then as long as the sensors are working, there is nothing...
Question
Gmc jimmy started sounding like a go kart even louder upon accelerating.
Hello, thank you for writing in. The increase in engine noise is very likely due to an exhaust leak. As with my own personal S10 at this age, the exhaust manifold gaskets are the first to go. You may also...
Question
My brother-in-law is fixing the car. First time yes it's been going on about two weeks finally the check engine light came on yesterday.
If the spark plugs are becoming coated with engine oil and there is excessive oil in the exhaust system, then there could be three symptoms to check. Symptoms PCV Valve could be plugged making the engine over pressurize and...
Question
How many exhaust manifolds are there on a 2000 Dodge Neon
Since you have a 4 cylinder motor you will only have one exhaust manifold.
Question
I have a 1980 Buick Regal and would like to change the motor.
When changing the engine out for another, you may have to have the motor mounts replaced or modified to the other engine. Also the exhaust system will need to be retro fitted for the other engine. The ball park figure...
Question
Chances of repairing a cracked exhaust manifold vs replacing?
If you are wanting to fix a crack in an exhaust manifold rather than replacing it, you would need to clean the manifold up, weld the crack, and clean the surface up to a true connection as the manifold will...

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