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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 529–552 of 1016
P2285Injector Control Pressure Sensor Circuit LowCheck soonFuel System30–120 minutes for initial diagnosisP2286Injector Control Pressure Sensor Circuit HighCheck soonFuel System30–120 minutes for initial diagnosisP2287Injector Control Pressure Sensor Circuit IntermittentCheck soonFuel System30–120 minutes for initial diagnosisP2288Injector Control Pressure Too HighCheck soonFuel System30–120 minutes for initial diagnosisP2289Injector Control Pressure Too High - Engine OffCheck soonFuel System30–120 minutes for initial diagnosisP228AFuel Pressure Regulator A - Forced Engine ShutdownCheck soonFuel System30–120 minutes for initial diagnosisP228BFuel Pressure Regulator B - Forced Engine ShutdownCheck soonFuel System30–120 minutes for initial diagnosisP228CFuel Pressure Regulator A Exceeded Control Limits - Pressure Too LowCheck soonFuel System30–120 minutes for initial diagnosisP228DFuel Pressure Regulator A Exceeded Control Limits - Pressure Too HighCheck soonFuel System30–120 minutes for initial diagnosisP228EFuel Pressure Regulator A Exceeded Learning Limits - Too LowCheck soonFuel System30–120 minutes for initial diagnosisP228FFuel Pressure Regulator A Exceeded Learning Limits - Too HighCheck soonFuel System30–120 minutes for initial diagnosisP2290Injector Control Pressure Too LowCheck soonFuel System30–120 minutes for initial diagnosisP2291Injector Control Pressure Too Low - Engine CrankingCheck soonFuel System30–120 minutes for initial diagnosisP2292Injector Control Pressure ErraticCheck soonFuel System30–120 minutes for initial diagnosisP2293Fuel Pressure Regulator B PerformanceCheck soonFuel System30–120 minutes for initial diagnosisP2294Fuel Pressure Regulator B Control Circuit/OpenCheck soonFuel System30–120 minutes for initial diagnosisP2295Fuel Pressure Regulator B Control Circuit LowCheck soonFuel System30–120 minutes for initial diagnosisP2296Fuel Pressure Regulator B Control Circuit HighCheck soonFuel System30–120 minutes for initial diagnosisP229AFuel Pressure Regulator B Exceeded Control Limits - Pressure Too LowCheck soonFuel System30–120 minutes for initial diagnosisP229BFuel Pressure Regulator B Exceeded Control Limits - Pressure Too HighCheck soonFuel System30–120 minutes for initial diagnosisP229CFuel Pressure Regulator B Exceeded Learning Limits - Too LowCheck soonFuel System30–120 minutes for initial diagnosisP229DFuel Pressure Regulator B Exceeded Learning Limits - Too HighCheck soonFuel System30–120 minutes for initial diagnosisP22D9Cylinder 1 Alternative Fuel Injector Control Circuit/OpenCheck soonFuel System30–120 minutes for initial diagnosisP22DACylinder 1 Alternative Fuel Injector Control Circuit LowCheck soonFuel System30–120 minutes for initial diagnosis