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9,253 diagnostic guides

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Find codes by symptomChoose what you notice to search matching code guides.

Rough idle or shakingVibration while stopped Hard to startLong cranking or no-start Engine stallsCuts out at idle or on the road Hesitates or loses powerSlow response when accelerating Battery light is onCharging system warning Harsh gear changesDelayed or rough shifting

A symptom can have several causes. Treat matching codes as clues and follow the diagnostic checks in each guide.

Check soon P · Powertrain Clear all

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Engine1049 Emissions515 Fuel1016 Sensors & Electronics2110 Transmission866 Electrical & Charging1797 Body & Restraints193 Chassis & Brakes479 Network & Communication1228

FiltersSeverity · family

Severity

All severities9253 Low priority305 Check soon8256 Urgent621

Code family

All families9253 P · Powertrain7353 B · Body193 C · Chassis479 U · Network1228

Vehicle coverage

These are generic OBD2 definitions. Exact make, model, engine, and year compatibility will appear after vehicle-fitment data is added.

Diagnostic codes

Showing 6625–6648 of 6682

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P0167Oxygen Sensor Heater Circuit Bank 2 Sensor 3Check soonEmissions System45–120 minutes for initial diagnosisP0167 means Oxygen Sensor Heater Circuit Bank 2 Sensor 3. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0191Fuel Rail Pressure Sensor A Circuit Range/PerformanceCheck soonFuel System45–120 minutes for initial diagnosisP0191 means Fuel Rail Pressure Sensor A Circuit Range/Performance. Learn the likely symptoms, common causes, and a safe diagnostic order before replacing parts.P0192Fuel Rail Pressure Sensor A Circuit LowCheck soonFuel System45–120 minutes for initial diagnosisP0192 means Fuel Rail Pressure Sensor A Circuit Low. Learn the likely symptoms, common causes, and a safe diagnostic order before replacing parts.P0193Fuel Rail Pressure Sensor A Circuit HighCheck soonFuel System45–120 minutes for initial diagnosisP0193 means Fuel Rail Pressure Sensor A Circuit High. Learn the likely symptoms, common causes, and a safe diagnostic order before replacing parts.P0194Fuel Rail Pressure Sensor A Circuit IntermittentCheck soonFuel System45–120 minutes for initial diagnosisP0194 means Fuel Rail Pressure Sensor A Circuit Intermittent. Learn the likely symptoms, common causes, and a safe diagnostic order before replacing parts.P0202Injector Circuit/Open Cylinder 2Check soonFuel System45–120 minutes for initial diagnosisP0202 means Injector Circuit/Open Cylinder 2. Learn the likely symptoms, common causes, and a safe diagnostic order before replacing parts.P0203Injector Circuit/Open Cylinder 3Check soonFuel System45–120 minutes for initial diagnosisP0203 means Injector Circuit/Open Cylinder 3. Learn the likely symptoms, common causes, and a safe diagnostic order before replacing parts.P0204Injector Circuit/Open Cylinder 4Check soonFuel System45–120 minutes for initial diagnosisP0204 means Injector Circuit/Open Cylinder 4. Learn the likely symptoms, common causes, and a safe diagnostic order before replacing parts.P0205Injector Circuit/Open Cylinder 5Check soonFuel System45–120 minutes for initial diagnosisP0205 means Injector Circuit/Open Cylinder 5. Learn the likely symptoms, common causes, and a safe diagnostic order before replacing parts.P0206Injector Circuit/Open Cylinder 6Check soonFuel System45–120 minutes for initial diagnosisP0206 means Injector Circuit/Open Cylinder 6. Learn the likely symptoms, common causes, and a safe diagnostic order before replacing parts.P0208Injector Circuit/Open Cylinder 8Check soonFuel System45–120 minutes for initial diagnosisP0208 means Injector Circuit/Open Cylinder 8. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0209Injector Circuit/Open Cylinder 9Check soonFuel System45–120 minutes for initial diagnosisP0209 means Injector Circuit/Open Cylinder 9. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0210Injector Circuit/Open Cylinder 10Check soonFuel System45–120 minutes for initial diagnosisP0210 means Injector Circuit/Open Cylinder 10. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0211Injector Circuit/Open Cylinder 11Check soonFuel System45–120 minutes for initial diagnosisP0211 means Injector Circuit/Open Cylinder 11. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0212Injector Circuit/Open Cylinder 12Check soonFuel System45–120 minutes for initial diagnosisP0212 means Injector Circuit/Open Cylinder 12. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0213Cold Start Injector 1 MalfunctionCheck soonFuel System45–120 minutes for initial diagnosisP0213 means Cold Start Injector 1 Malfunction. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0214Cold Start Injector 2 MalfunctionCheck soonFuel System45–120 minutes for initial diagnosisP0214 means Cold Start Injector 2 Malfunction. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0215Engine Shutoff Solenoid MalfunctionCheck soonEngine Problems45–120 minutes for initial diagnosisP0215 means Engine Shutoff Solenoid Malfunction. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0216Injection Timing Control Circuit MalfunctionCheck soonFuel System45–120 minutes for initial diagnosisP0216 means Injection Timing Control Circuit Malfunction. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0224Throttle/Pedal Position Sensor/Switch B Circuit IntermittentCheck soonSensors & Electronics45–120 minutes for initial diagnosisP0224 means Throttle/Pedal Position Sensor/Switch B Circuit Intermittent. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0225Throttle/Pedal Position Sensor/Switch C CircuitCheck soonSensors & Electronics45–120 minutes for initial diagnosisP0225 means Throttle/Pedal Position Sensor/Switch C Circuit. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0226Throttle/Pedal Position Sensor/Switch C Circuit Range/PerformanceCheck soonSensors & Electronics45–120 minutes for initial diagnosisP0226 means Throttle/Pedal Position Sensor/Switch C Circuit Range/Performance. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0227Throttle/Pedal Position Sensor/Switch C Circuit LowCheck soonSensors & Electronics45–120 minutes for initial diagnosisP0227 means Throttle/Pedal Position Sensor/Switch C Circuit Low. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0228Throttle/Pedal Position Sensor/Switch C Circuit HighCheck soonSensors & Electronics45–120 minutes for initial diagnosisP0228 means Throttle/Pedal Position Sensor/Switch C Circuit High. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.