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OBD Codes

P0441 – Evaporative emission control system incorrect purge flow

A P0441 diagnostic code indicates an incorrect EVAP system purge flow. Learn possible causes, symptoms, and troubleshooting tips for P0441.

P0446 – Evaporative emission control system vent control circuit malfunction | OBDeleven

A P0446 diagnostic code indicates a malfunction in the EVAP system vent control circuit. Learn possible causes, symptoms, and troubleshooting tips for P0446.

P0446 – Evaporative emission control system vent control circuit malfunction

P0301 – Cylinder #1 misfire detected  | OBDeleven

A P0301 diagnostic code indicates a cylinder #1 misfire. Learn possible causes, symptoms, and troubleshooting tips for P0301.

P0301 – Cylinder #1 misfire detected

P0299 – Turbocharger/Supercharger underboost condition  | OBDeleven

A P0299 diagnostic code indicates an underboost condition. Learn possible causes, symptoms, and troubleshooting tips for P0299.

P0299 – Turbocharger/Supercharger underboost condition

P0174 – Fuel trim. System too lean. Bank 2 | OBDeleven

A P0174 diagnostic code indicates that the fuel trim system is too lean. Learn possible causes, symptoms, and troubleshooting tips for P0174.

P0174 – Fuel trim. System too lean. Bank 2

P0442 – Evaporative emission control system small leak detected | OBDeleven

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

P0442 – Evaporative emission control system small leak detected

P0430 – catalyst system low efficiency. Bank 2 | OBDeleven

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

P0430 – Catalyst system efficiency below threshold. Bank 2

P0455 – Evaporative emission control system gross leak | OBDeleven

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

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