Diagnostic library
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9,253 diagnostic guides
Find codes by symptomChoose what you notice to search matching code guides.
Rough idle or shakingVibration while stoppedHard to startLong cranking or no-startEngine stallsCuts out at idle or on the roadHesitates or loses powerSlow response when acceleratingBattery light is onCharging system warningHarsh gear changesDelayed or rough shifting
A symptom can have several causes. Treat matching codes as clues and follow the diagnostic checks in each guide.
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These are generic OBD2 definitions. Exact make, model, engine, and year compatibility will appear after vehicle-fitment data is added.
Diagnostic codes
Showing 241–264 of 6682
P017BCylinder Head Temperature Sensor A Range/PerformanceCheck soonEngine Problems30–120 minutes for initial diagnosisP017CCylinder Head Temperature Sensor A Circuit LowCheck soonEngine Problems30–120 minutes for initial diagnosisP017DCylinder Head Temperature Sensor A Circuit HighCheck soonEngine Problems30–120 minutes for initial diagnosisP017ECylinder Head Temperature Sensor A Circuit Intermittent/ErraticCheck soonEngine Problems30–120 minutes for initial diagnosisP0180Fuel Temperature Sensor A CircuitCheck soonFuel System30–120 minutes for initial diagnosisP0181Fuel Temperature Sensor A Circuit Range/PerformanceCheck soonFuel System30–120 minutes for initial diagnosisP0182Fuel Temperature Sensor A Circuit LowCheck soonFuel System30–120 minutes for initial diagnosisP0183Fuel Temperature Sensor A Circuit HighCheck soonFuel System30–120 minutes for initial diagnosisP0184Fuel Temperature Sensor A Circuit IntermittentCheck soonFuel System30–120 minutes for initial diagnosisP0185Fuel Temperature Sensor B CircuitCheck soonFuel System30–120 minutes for initial diagnosisP0186Fuel Temperature Sensor B Circuit Range/PerformanceCheck soonFuel System30–120 minutes for initial diagnosisP0187Fuel Temperature Sensor B Circuit LowCheck soonFuel System30–120 minutes for initial diagnosisP0188Fuel Temperature Sensor B Circuit HighCheck soonFuel System30–120 minutes for initial diagnosisP0189Fuel Temperature Sensor B Circuit IntermittentCheck soonFuel System30–120 minutes for initial diagnosisP018AFuel Pressure Sensor B CircuitCheck soonFuel System30–120 minutes for initial diagnosisP018BFuel Pressure Sensor B Circuit Range/PerformanceCheck soonFuel System30–120 minutes for initial diagnosisP018CFuel Pressure Sensor B Circuit LowCheck soonFuel System30–120 minutes for initial diagnosisP018DFuel Pressure Sensor B Circuit HighCheck soonFuel System30–120 minutes for initial diagnosisP018EFuel Pressure Sensor B Circuit Intermittent/ErraticCheck soonFuel System30–120 minutes for initial diagnosisP018FFuel System Over Pressure Relief Valve Frequent ActivationCheck soonFuel System30–120 minutes for initial diagnosisP0190Fuel Rail Pressure Sensor A CircuitCheck soonFuel System45–120 minutes for initial diagnosisP0195Engine Oil Temperature Sensor A CircuitCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0196Engine Oil Temperature Sensor A Range/PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0197Engine Oil Temperature Sensor A Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosis