Question about 1994 Nissan Quest

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After you drive the car for awhile you notice a heavy gas odor .And i cant find out where its coming from.

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You have a slightly loose clamp on the fuel hose from the fuel filter (on firewall) driver side. the clamp to the fuel rail & injectors needs about one turn. Get long skinny phillips screwdriver to turn and one long skinny flat blade screwdriver to hold the bottom of the clamp from twisting.

go here.

Posted on Oct 15, 2010


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1999 olds bravada heavy gas odor when driving, just noticed some kind of fuel leak , near the rt passenger wheel

Is the leak, by the right front tire? Did you smell of the leak, you can use a paper towel if you don't want to use your hand? It is definitely gas on the ground? Check the fuel lines. Usually the ac drain is in that area.
You can use a fuel pressure gage to check proper fuel pressure, also check that the pressure will hold for a bit with everything off. If the pressure drops like a rock, you have a fuel pressure leak somewhere? Does the vehicle start and run ok? Another thought is your evap system could be leaking fumes. I can only help with testing, I can't see anything from here. You need to get it fixed.

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Shuts down when driving , then starts right back up and runs fine for awhile just gave a tuneup also and smell heavy gas

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