When idling for a long time and after warming up. the subtle sputtering noise that comes from the rear driver side is now very noticeable. It sounds like a "putt-putt-putt..." like a muffler connection is leaking or something. It is becoming annoying after a while.

Has anyone else experienced this??

 

Yea i had this happen to my 03' tl, when i brought it in to the service center, they told me that it was an emmision controll device. I reasearched it more and it is an air pump that pumps air in before the catalytic converter to get better emissions out of the car. The dealer said they could replace it, but it would probly make the noise again.

 

nice 3 year old thread.
There is nothing that pumps air in before the cat on the TL. What you were told about by the dealer is the EVAP canister. It doesnt pump any thing into the exhaust.

 

WOW...this is an old thread. haha. And I have that issue on my TL as well. Should we even worry about it?

 

Yooooooooooooooo hahhah wat a coincidence... the other day i was outside the car and i heard this... i was like 'wat the hell.. sounsd kinda like a motor bike.. except very subtle' so i bent down and it sounded like the exhaust.. thought there was a hole ... now it explains it! ahah... so wait.. this is normal? its not that bad.. only if u stand near the car.. u'll hear it.. very subtle...

 

i guess a 3 year thread is worth something.........i've heard the samething

 

Sry i did not realize how old this thread was, and the "air pump" was what the acura service center employee told me it was. Sry for any bad info.

 

I know this is an old thread but I googled this issue because I just noticed this sound on my 08 TL-S! Does anybody have a definite answer to this putt-putt sound in the left rear??

 

^^^ The noises that come from the rear driver's side on our 2nd Gen TL's usually originates from the EVAP components located inward from that wheelwell.

You may want to check the 3rd Gen forum for more specific info on your '08 TL.