Car Smells
Chevy Cavalier
1995-2005 Chevy Cavaliers

Why would you smell gas in a 1995 Chevy Cavalier only when the heater is on?


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2005-11-29 00:08:08
2005-11-29 00:08:08

Possible leak in gas line. Must be some sort of air leak in the heater box under the hood. Heater is pulling fumes into car through the leak in it.


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I had that issue with my Cavalier and it turned out to be a fuel pump problem. I would check with your local mechanic.

Low coolant in the system. Defective heater control valve. Clogged heater core.

Most of the time it is caused by a hole in the heater core, do you smell a sweet smell? The sweet smell would be the antifreeze.

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This question is very wide. But, I would suspect the speed sensor.

Perhaps it was hit by a meteorite. Check for fuel and spark.

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