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Cadillac Master
21,873 Answers
- Posted on Feb 17, 2015
Re: My car has a rich gas smell then when it warms up...
Maybe.
The rich gas smell is probably due to injector problems. The rotten egg smell is sulphur in the fuel, which reacts to the catalytic converter. The rich smell would need to be fixed first by checking the injectors and the engine computer.
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