Diagnostic library
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Search the code from your scanner, then narrow the library by system, severity, or code family.
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 73–96 of 1939
P00E3Exhaust Heat Exchanger Exhaust Bypass Valve A Stuck OpenCheck soonSensors & Electronics30–120 minutes for initial diagnosisP00E4Exhaust Heat Exchanger Exhaust Bypass Valve A Stuck ClosedCheck soonSensors & Electronics30–120 minutes for initial diagnosisP00E6Intake Air Pressure Measurement System - Multiple Sensor Correlation Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP00E7Intake Air Temperature Measurement System - Multiple Sensor Correlation Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP00E8Intake Air Temperature Sensor 3 Circuit Bank 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP00E9Intake Air Temperature Sensor 3 Circuit Range/Performance Bank 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP00EAIntake Air Temperature Sensor 3 Circuit Low Bank 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP00EBIntake Air Temperature Sensor 3 Circuit High Bank 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP00ECIntake Air Temperature Sensor 3 Circuit Intermittent/Erratic Bank 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP00EDIntake Air Temperature Sensor 3 Circuit Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP00EEIntake Air Temperature Sensor 3 Circuit Range/Performance Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP00EFIntake Air Temperature Sensor 3 Circuit Low Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP00F0Intake Air Temperature Sensor 3 Circuit High Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP00F1Intake Air Temperature Sensor 3 Circuit Intermittent/Erratic Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP00F2Humidity Sensor Circuit/OpenCheck soonSensors & Electronics30–120 minutes for initial diagnosisP00F3Humidity Sensor Circuit Range/PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP00F4Humidity Sensor Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP00F5Humidity Sensor Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP00F6Humidity Sensor Circuit Intermittent/ErraticCheck soonSensors & Electronics30–120 minutes for initial diagnosisP00F7Barometric Pressure - Turbocharger/Supercharger Inlet Pressure Correlation Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP00F8Turbocharger Outlet Pressure Sensor A CircuitCheck soonSensors & Electronics30–120 minutes for initial diagnosisP00F9Turbocharger Outlet Pressure Sensor A Range/PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP00FATurbocharger Outlet Pressure Sensor A Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP00FBTurbocharger Outlet Pressure Sensor A Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosis