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11-13-2011, 05:30 PM
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#1
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Join Date: Feb 2010
Location: Stillwater
Posts: 822
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Fuel smell???
ON the new 1994 Z28 I faintly had noticed fuel when I first test drove the car (it was low on fuel) but once I fueled it up it went away... I figured it was something to do with the gas cap not being on properly. Well today I kept getting random smells of fuel; mainly when the car would go WOT. As the fuel level got lower, the smell got stronger.
It's dark out but I quickly looked at the rail, injectors, and all fuel lines. I don't see any leaks. Anything else I should be looking at?
Oh and the gas cap doesn't release any pressure when I take it off.
on another note I hope the fuel economy gets a hair better. Went through 3/4 of a tank and drove 120 miles (being a bit on the abusive side) with 4.56's and 275/40/17's.
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Quote:
Originally Posted by LTb1ow
...its cool to like diesels, cause that and pretending to be country is like, hip nowadays!!
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11-13-2011, 05:34 PM
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#2
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Co-Founder / Site Admin
Join Date: Jul 2004
Location: Ewing, NJ
Posts: 22,473
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I wouldn't expect it to get much better if you are driving with a heavy foot and 4.56 gears.
- Justin
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1999 Camry - Beigemobile DD
2002 Suburban - Wife's DD
2004 Grand Cherokee - Not running / Project / Selling?
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11-13-2011, 05:47 PM
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#3
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Hippy Mod, Bergermeister Meisterberger, Moderator
Join Date: Aug 2004
Location: Ewing
Posts: 6,213
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Are you smelling the fuel under the hood or back near the tank? The EVAP system is really problematic on these cars and the hoses will dry out and crack and the charcoal cannister will get clogged up cause fuel vapors to escape. I would check the lines around the cannister in the rear of the car.
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69 Z28 JL8 4 wheel disc brakes - being restored
09 Silverado Z71
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11-13-2011, 06:03 PM
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#4
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Join Date: Feb 2010
Location: Stillwater
Posts: 822
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Quote:
Originally Posted by JL8Jeff
Are you smelling the fuel under the hood or back near the tank? The EVAP system is really problematic on these cars and the hoses will dry out and crack and the charcoal cannister will get clogged up cause fuel vapors to escape. I would check the lines around the cannister in the rear of the car.
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Alright thanks. I can't tell where the smell is actually coming from. I have a problem smelling things. I usually can't identify odors even, I can just smell them. Sounds a little strange I know but I've smashed my nose a few times and now I pay the consequences.
__________________
Quote:
Originally Posted by LTb1ow
...its cool to like diesels, cause that and pretending to be country is like, hip nowadays!!
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11-13-2011, 07:02 PM
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#5
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Join Date: Feb 2010
Location: Stillwater
Posts: 822
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Another question... if their is any chance that is in fact the evap system, can I test it by putting on a vented gas cap (I assume it would do the same thing as the evap system anyway?).
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Quote:
Originally Posted by LTb1ow
...its cool to like diesels, cause that and pretending to be country is like, hip nowadays!!
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11-13-2011, 09:26 PM
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#6
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Join Date: Jul 2009
Location: barnegat nj
Posts: 1,340
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check to see if previous owner made a "trap door" access for the fuel pump. This access will be under the carpet on the upper flat area when you open the rear hatch. It is very possible that it is not sealed and you are getting smells in car from exhaust, or broken/missing evap line on fuel pump housing.
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Quote:
Originally Posted by SRGN
I never pulled into the staging beams at the track and saw a dyno in the other lane.
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South Jersey Racecraft
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11-13-2011, 09:30 PM
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#7
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Join Date: Feb 2010
Location: Stillwater
Posts: 822
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Quote:
Originally Posted by S.J.SLEEPER
check to see if previous owner made a "trap door" access for the fuel pump. This access will be under the carpet on the upper flat area when you open the rear hatch. It is very possible that it is not sealed and you are getting smells in car from exhaust, or broken/missing evap line on fuel pump housing.
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Would make sense... local shop did the fuel pump a few months back. I'll have to look! Didn't think about it 
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Quote:
Originally Posted by LTb1ow
...its cool to like diesels, cause that and pretending to be country is like, hip nowadays!!
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11-13-2011, 10:50 PM
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#8
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12 Second Club / Bullwinkle
Join Date: Oct 2010
Location: Old Bridge, NJ/Corpus Christi, TX
Posts: 1,847
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Check the gasket on the top of the gas tank there the fuel pump goes. Mine was bad and it leaked fuel and didnt hold pressure at the cap. Also smelt of gas in the car. They might have re-used the gasket because it can be tricky to find a new one. That was the problem I had...
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1994 Medium Patriot Red Z28 6spd
370ci/Huron Speed T6 S480 ET-R HO
Quote:
Originally Posted by Jersey Mike
Quote:
Originally Posted by WSex
who is FFB?
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An NJFBOA legend. Ask about him at the next meet. |
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11-14-2011, 06:33 PM
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#9
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Join Date: Feb 2010
Location: Stillwater
Posts: 822
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Figured it out. Evap is messed up. Vented gas cap got the smell to go away until I have time over the weekend to fix it properly.
__________________
Quote:
Originally Posted by LTb1ow
...its cool to like diesels, cause that and pretending to be country is like, hip nowadays!!
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