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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 3673–3696 of 6682
P2264Water in Fuel Sensor A CircuitCheck soonFuel System30–120 minutes for initial diagnosisP2265Water in Fuel Sensor A Circuit Range/PerformanceCheck soonFuel System30–120 minutes for initial diagnosisP2266Water in Fuel Sensor A Circuit LowCheck soonFuel System30–120 minutes for initial diagnosisP2267Water in Fuel Sensor A Circuit HighCheck soonFuel System30–120 minutes for initial diagnosisP2268Water in Fuel Sensor A Circuit IntermittentCheck soonFuel System30–120 minutes for initial diagnosisP2269Water in Fuel Condition - Sensor ACheck soonFuel System30–120 minutes for initial diagnosisP226AWater in Fuel Lamp Control CircuitCheck soonFuel System30–120 minutes for initial diagnosisP226BTurbocharger/Supercharger A Boost Pressure Too High - MechanicalCheck soonSensors & Electronics30–120 minutes for initial diagnosisP226CTurbocharger Boost Control A Slow ResponseCheck soonSensors & Electronics30–120 minutes for initial diagnosisP226DParticulate Filter Deteriorated/Missing Substrate Bank 1Check soonEmissions System30–120 minutes for initial diagnosisP226EParticulate Filter Deteriorated/Missing Substrate Bank 2Check soonEmissions System30–120 minutes for initial diagnosisP226FTurbocharger Boost Control B Slow ResponseCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2270O2 Sensor Signal Biased/Stuck Lean Bank 1 Sensor 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP2271O2 Sensor Signal Biased/Stuck Rich Bank 1 Sensor 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP2272O2 Sensor Signal Biased/Stuck Lean Bank 2 Sensor 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP2273O2 Sensor Signal Biased/Stuck Rich Bank 2 Sensor 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP2274O2 Sensor Signal Biased/Stuck Lean Bank 1 Sensor 3Check soonSensors & Electronics30–120 minutes for initial diagnosisP2275O2 Sensor Signal Biased/Stuck Rich Bank 1 Sensor 3Check soonSensors & Electronics30–120 minutes for initial diagnosisP2276O2 Sensor Signal Biased/Stuck Lean Bank 2 Sensor 3Check soonSensors & Electronics30–120 minutes for initial diagnosisP2277O2 Sensor Signal Biased/Stuck Rich Bank 2 Sensor 3Check soonSensors & Electronics30–120 minutes for initial diagnosisP2278O2 Sensor Signals Swapped Bank 1 Sensor 3/Bank 2 Sensor 3Check soonSensors & Electronics30–120 minutes for initial diagnosisP2279Intake Air System Leak Bank 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP227ABarometric Pressure Sensor C CircuitCheck soonSensors & Electronics30–120 minutes for initial diagnosisP227BBarometric Pressure Sensor C Circuit Range/PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosis