gas / fuel odor - Chevy Colorado & GMC Canyon
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post #1 of 15 (permalink) Old 12-22-2005, 03:23 PM Thread Starter
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gas / fuel odor

Raw gasoline smell . . . can't stand to drive the truck with this smell!
Interior smells of gas with heater on & exterior smells of gas when parked in garage. :(
Dealer can't find any problem. Said it must be exhaust entering via vents.
Anyone have the same problem . . . know of any TSB
Any help would be great.
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post #2 of 15 (permalink) Old 12-27-2005, 02:29 PM
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Yep. I get this when during cold starts (not cold temerature, just cold engine) and I turn the blowers on immediately. Gas smell seems to vent into the cabin.

I have a 2004 with 15K miles, purchased Sep 04. It did this when first purchased and on two trips to service was told 'all is normal'. According to service, hooking to computer checks all 'emisions' and 'fuel' systems. Any leaks would be detected.

Well, it seems something leaks, but I don't see how I can pursuade service to do anything else... they're limited to what they can do (if they want to be paid by GMC) under warranty.

Others? Thoughts?

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post #3 of 15 (permalink) Old 12-27-2005, 05:46 PM
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I get a gas smell in the mornings now since it's so **** cold. But I generally leave the blowers off and let the engine heat up for a few minutes.
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post #4 of 15 (permalink) Old 12-27-2005, 07:12 PM
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I've never gotten a gasoline smell in my truck. And if I did, I'd make sure it went back to the dealer at least 3 times. Then I'd try to find someplace that has a gasoline sniffer and get a reading.

Then I'd be talking to GM about replacing the truck for a hazardous problem that they can't seem to fix. Remember, gas vapors are far more hazardous than the liquid.


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post #5 of 15 (permalink) Old 12-27-2005, 07:20 PM
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I agree. With ported injection fumes must mean a leak somewhere. Hard to believe it can't be found.

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post #6 of 15 (permalink) Old 12-27-2005, 08:03 PM
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Any smell is to much.
Never had any in mine.
Call GM and get them to get your dealer on the case.

'07 silverado 4X4 ext cab/5.5' box
2'' lift with 275/60/20 tires
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post #7 of 15 (permalink) Old 02-06-2006, 08:12 PM
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Yes, I have the same problem. Only happens in the morning when first starting. I never noticed it was related to turning on the blower. I will check it out tomorrow to see if it doesn't smell without the blower. I have an oil change coming up this month and I'll see what the dealer says.
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post #8 of 15 (permalink) Old 02-06-2006, 09:10 PM
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You should NOT have a gas smell in your truck. Something is wrong or leaking. I've had my Coly over two years and 20K miles and never had a gas smell.

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post #9 of 15 (permalink) Old 02-06-2006, 09:34 PM
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I had a gas smell the first couple months after I bought my truck in September of 2004. I took it to the dealer, and it conveniently did not smell like gas when they looked at it, so nothing was done. A few days later, the smell went away, and it has not returned since.
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post #10 of 15 (permalink) Old 12-09-2009, 05:49 PM
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Re: gas / fuel odor

Yesterday I started my 2005 Colorado in the driveway and got out and let it warm up--when I got back in it reeked of gas.....was so bad I had to open before warming the truck I got in to see if it smelled, it did not, I let it warm up, did not turn on the heat or smell until I turned the heat on...the smell is definetly coming from the vents.....hubby looked under the hood and couldnt see any leaks and there are no leaks on the driveway. Anyone have a clue as to what may be wrong?
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