How Long Does an Exhaust Air Supply Tube Last?

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Since 1966 car manufacturers have had the pressure on them to drastically reduce the amount of emissions that vehicles send out into the atmosphere. Technology has come a long way in that time, and has allowed for all kinds of advancements in this area. It was in 1966 when cars began to circulate fresh air into the exhaust gas through the use of an exhaust air supply tube. This tube is connected to the exhaust manifold, or near it. The air is introduced in a spot where temperatures are high, which allows combustion to take place, and then the exhaust is allowed to leave through the vehicle's tailpipe.

Because this tube is exposed to extremely hot temperatures, it can be prone to cracking, leaking, or breaking. It can also become blocked over time. Once the tube is no longer able to work correctly, it will need to be replaced immediately. Here’s a look at some signs that your exhaust air supply tube has reached its full life expectancy, and needs to be replaced by a professional mechanic.

  • Do you smell fuel coming from the exhaust? This could mean that the tube is leaking, has a crack, or is broken. You don't want to leave this problem as it will affect your fuel efficiency. As well, the longer you leave the tube in non-working order, the bigger the risk you run of damaging parts of your engine.

  • If you start to hear a lot of noise coming from under your hood at the exhaust, this is another big sign that it's time to have the air supply tube replaced.

  • There’s a good chance you won’t be able to pass an emissions test or a smog test if the exhaust air supply tube isn’t working.

  • It's also recommended that if you are having your EGR valve looked at and serviced, that you also have the mechanic take a look at the exhaust air supply tube.

The exhaust air supply tube is important in keeping the amount of emissions your car emits to a minimum. Once this part hits its life expectancy your fuel efficiency will suffer, you won’t be able to pass an emissions/smog test, and you risk damaging your engine. If you’re experiencing any of the above mentioned symptoms and suspect your exhaust air supply tube is in need of replacement, get a diagnostic or book an exhaust air supply tube replacement service with a professional mechanic.


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Michael

15 years of experience
518 reviews
Michael
15 years of experience
Mercedes-Benz GL450 - Brake Pads Replacement (Rear) - Atlanta, Georgia
Micheal was punctual and friendly. Work was completed within promised time. Will definitely use again.
Volvo S80 - Brake Pads Replacement (Front) - Roswell, Georgia
Michael was SUPER QUICK with doing my brake and rotors. Great communication throughout the whole process. Will always recommend

Kenneth

19 years of experience
509 reviews
Kenneth
19 years of experience
Toyota Sequoia - Brake Pads Replacement (Front) - Newport Beach, California
Kenneth did a great job and very knowledgeable. He has a great attitude and I will for sure be using him again.

Chuy

13 years of experience
129 reviews
Chuy
13 years of experience
Honda Civic - Brake Pads Replacement (Front, Rear) - Cicero, Illinois
Excellent work on doing the breaks for my car and the break and steering system flush I’ll definitely recommend and take into consideration for chuy’s work whenever I need a fix on my car

Richard

16 years of experience
72 reviews
Richard
16 years of experience
BMW 328i - Brake Pads Replacement (Rear) - Dublin, California
Richard was an outstanding mechanic. After he arrived, the first thing he did after taking the initial pictures of the car is an assessment into what work was asked. He quickly verified that I did not need brake fluid and my front brakes even-though it affects his personal commitments and time, which I think is highly appreciate and thorough professional. He was detailed oriented - took time to make sure that all the issue are fixed. He paid attention to detail in overall car assessment- he goes above and beyond. He was also teaching me through the process which I found highly educational and appreciate him providing the information ensuring and making me comfortable what he was doing and explaining patiently all the questions that was thrown at him. When he works - you know he's highly skilled and experienced and knows his stuff. He is highly experienced. He is a "Master" mechanic in true sense :)

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