Chevrolet Cobalt P Codes (Powertrain) P0300 - P0399

Browse Chevrolet Cobalt P Codes (Powertrain) P0300 - P0399 questions and answers. Choose a question that matches your symptoms.

3 discussions

Need Help With Trouble Codes P0326 And P2431

2006 CHEVROLET COBALT

I Would Like To Know What Action I Should Take On These Codes. These Codes Come And Go Without Clearing Them. They Return Every 3 Days Or So...

2 ANSWERS

Asked by Multiburon

2006 CHEVROLET COBALT

Drove The Car To Work Last Thursday Morning And Everything Was Working Great. When I Went Out After Work It Started But The Engine Was...

6 ANSWERS

Asked by jgomez123

2005 CHEVROLET COBALT

Cold Morning, Went Out To Start Car. Turned Over A While But Finally Cranked, But Runs Very Rocky. Changed Spark Plugs (old Ones Very Fouled...

1 ANSWER

Asked by Cfal

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