I have Tahoe 2004 recently I have been smelling exhaust fumes inside the cabin, I took it for exhaust leakage and the mechanic said he could not find any leakage or damage to the entire exhaust system, so any help of why I still smell the fumes.

Asked by Feb 03, 2015 at 03:40 AM about the 2004 Chevrolet Tahoe LS 4WD

Question type: Maintenance & Repair

The same as my question

2 Answers

110,065

Are you sure they are coming from your rig? The fresh air intake is from the front cowl area so anything close by will get sucked in especially in colder temps as engines tend to run slightly richer for longer than warmer temps. Is the exhaust system stock? I have seen a few of these pop the welds on the muffler where the muffler shield is on top, you can't see it normally due to the shield, but during a cold morning outside you can see some exhaust escaping out from under the shielding during the initial start up, of course you have to be under the rig to see it and only on initial start. Good looking rig too.

I get smelling gas from time to time coming from my Tahoe. I took it to a former Ford mechanic and he dropped the tank and the ring that holds the fuel pump was deteriorated and once it was replaced, fuel mileage improved and no more gas fume smell.

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