Fuel tank leak - Team Camaro Tech
Troubleshooting Diagnosing problems done here.

 
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post #1 of 2 (permalink) Old Aug 23rd, 03, 02:20 AM Thread Starter
 
Join Date: Aug 2003
Posts: 2
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I have a 91' camaro RS+ with the V6. Sometimes when I fill my gas tank, after I have driven the car a few miles and park it, the gas will spew out past the filler cap. This happens rarely, but just on hot days when I have driven the car and the engine is warm.

The problem has only happened since my original fuel pump failed and was replaced a few years ago.

On a related note, ever since my fuel pump was replaced (I had it replaced 3 times in 24 months) I get a strong smell of gas when I fill up. My gas tank almost never goes below half full.

The autoshop tells me I have 2 bad fuel injectors and raw gas is being dumped into the catalytic converter. But sometimes the smell of gas is very strong from the rear of the car even when the engine is stopped.

Thanks,
Chip
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post #2 of 2 (permalink) Old Aug 23rd, 03, 05:59 AM
a67
 
Join Date: May 2003
Posts: 416
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Quote:
Originally posted by Chip:
I have a 91' camaro RS+ with the V6. Sometimes when I fill my gas tank, after I have driven the car a few miles and park it, the gas will spew out past the filler cap. This happens rarely, but just on hot days when I have driven the car and the engine is warm.

The problem has only happened since my original fuel pump failed and was replaced a few years ago.

On a related note, ever since my fuel pump was replaced (I had it replaced 3 times in 24 months) I get a strong smell of gas when I fill up. My gas tank almost never goes below half full.

The autoshop tells me I have 2 bad fuel injectors and raw gas is being dumped into the catalytic converter. But sometimes the smell of gas is very strong from the rear of the car even when the engine is stopped.

Thanks,
Chip
I have a '92 with the same issues. In the hot weather it isn't always easy to get the gas cap back on correctly. Apparently the fuel cools the neck and makes for a tight fitting cap. I have to go slow putting the cap back on and make sure that it really does spin down tight before clicking.

As for the fumes there is a recall on the '90 - '92 gas tanks. Where the filler tube is soldered to the tank leaks. Who ever made the tanks did a lousy job. You can sometimes see the gas stains running down the side of the tank.

The neck to tank joint may have been over stressed by the mechanic who R&R'd the tank causing further leakage.

Another item to check for is the tank vent. On drivers side, above rear axle will be a small plastic mushroom shaped piece with a fuel line to the tank. This is the tank vent. It will be mounted at the top of it into a small bracket.

It may be missing, fuel line to it kinked, or it may be bad.

Bob.
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