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A P0442 diagnostic code indicates a small leak in the EVAP system. Learn possible causes, symptoms, and troubleshooting tips for P0442.

A P0430 diagnostic code indicates catalyst system efficiency issues. Learn possible causes, symptoms, and troubleshooting tips for P0430.

A P0455 diagnostic code indicates a gross leak in the EVAP system. Learn possible causes, symptoms, and troubleshooting tips for P0455.

A P0128 diagnostic code indicates the coolant temperature is below normal. Learn possible causes, symptoms, and troubleshooting tips for P0128.

A P0300 diagnostic code indicates a random cylinder misfire. Learn possible causes, symptoms, and troubleshooting tips for P0300.

A P0456 diagnostic code indicates a small leak in the EVAP system. Learn possible causes, symptoms, and troubleshooting tips for P0456.

A P0171 diagnostic code indicates that the fuel trim system is too lean. Learn possible causes, symptoms, and troubleshooting tips for P0171.

A P0420 diagnostic code indicates catalyst system efficiency issues. Learn possible causes, symptoms, and troubleshooting tips for P0420.