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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.

Fuel System Check soon Clear all

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

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All severities9253 Low priority305 Check soon8256 Urgent621

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

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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

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P02B2Cylinder 7 - Fuel Trim at Max LimitCheck soonFuel System30–120 minutes for initial diagnosisP02B2 relates to cylinder 7 - fuel trim at max limit. Check the fault conditions and vehicle-specific procedure before replacing parts.P02B3Cylinder 7 - Fuel Trim at Min LimitCheck soonFuel System30–120 minutes for initial diagnosisP02B3 relates to cylinder 7 - fuel trim at min limit. Check the fault conditions and vehicle-specific procedure before replacing parts.P02B4Cylinder 7 - Injector RestrictedCheck soonFuel System30–120 minutes for initial diagnosisP02B4 relates to cylinder 7 - injector restricted. Check the fault conditions and vehicle-specific procedure before replacing parts.P02B5Cylinder 7 - Injector LeakingCheck soonFuel System30–120 minutes for initial diagnosisP02B5 relates to cylinder 7 - injector leaking. Check the fault conditions and vehicle-specific procedure before replacing parts.P02B6Cylinder 8 - Fuel Trim at Max LimitCheck soonFuel System30–120 minutes for initial diagnosisP02B6 relates to cylinder 8 - fuel trim at max limit. Check the fault conditions and vehicle-specific procedure before replacing parts.P02B7Cylinder 8 - Fuel Trim at Min LimitCheck soonFuel System30–120 minutes for initial diagnosisP02B7 relates to cylinder 8 - fuel trim at min limit. Check the fault conditions and vehicle-specific procedure before replacing parts.P02B8Cylinder 8 - Injector RestrictedCheck soonFuel System30–120 minutes for initial diagnosisP02B8 relates to cylinder 8 - injector restricted. Check the fault conditions and vehicle-specific procedure before replacing parts.P02B9Cylinder 8 - Injector LeakingCheck soonFuel System30–120 minutes for initial diagnosisP02B9 relates to cylinder 8 - injector leaking. Check the fault conditions and vehicle-specific procedure before replacing parts.P02BACylinder 9 - Fuel Trim at Max LimitCheck soonFuel System30–120 minutes for initial diagnosisP02BA relates to cylinder 9 - fuel trim at max limit. Check the fault conditions and vehicle-specific procedure before replacing parts.P02BBCylinder 9 - Fuel Trim at Min LimitCheck soonFuel System30–120 minutes for initial diagnosisP02BB relates to cylinder 9 - fuel trim at min limit. Check the fault conditions and vehicle-specific procedure before replacing parts.P02BCCylinder 9 - Injector RestrictedCheck soonFuel System30–120 minutes for initial diagnosisP02BC relates to cylinder 9 - injector restricted. Check the fault conditions and vehicle-specific procedure before replacing parts.P02BDCylinder 9 - Injector LeakingCheck soonFuel System30–120 minutes for initial diagnosisP02BD relates to cylinder 9 - injector leaking. Check the fault conditions and vehicle-specific procedure before replacing parts.P02BECylinder 10 - Fuel Trim at Max LimitCheck soonFuel System30–120 minutes for initial diagnosisP02BE relates to cylinder 10 - fuel trim at max limit. Check the fault conditions and vehicle-specific procedure before replacing parts.P02BFCylinder 10 - Fuel Trim at Min LimitCheck soonFuel System30–120 minutes for initial diagnosisP02BF relates to cylinder 10 - fuel trim at min limit. Check the fault conditions and vehicle-specific procedure before replacing parts.P02C0Cylinder 10 - Injector RestrictedCheck soonFuel System30–120 minutes for initial diagnosisP02C0 relates to cylinder 10 - injector restricted. Check the fault conditions and vehicle-specific procedure before replacing parts.P02C1Cylinder 10 - Injector LeakingCheck soonFuel System30–120 minutes for initial diagnosisP02C1 relates to cylinder 10 - injector leaking. Check the fault conditions and vehicle-specific procedure before replacing parts.P02C2Cylinder 11 - Fuel Trim at Max LimitCheck soonFuel System30–120 minutes for initial diagnosisP02C2 relates to cylinder 11 - fuel trim at max limit. Check the fault conditions and vehicle-specific procedure before replacing parts.P02C3Cylinder 11 - Fuel Trim at Min LimitCheck soonFuel System30–120 minutes for initial diagnosisP02C3 relates to cylinder 11 - fuel trim at min limit. Check the fault conditions and vehicle-specific procedure before replacing parts.P02C4Cylinder 11 - Injector RestrictedCheck soonFuel System30–120 minutes for initial diagnosisP02C4 relates to cylinder 11 - injector restricted. Check the fault conditions and vehicle-specific procedure before replacing parts.P02C5Cylinder 11 - Injector LeakingCheck soonFuel System30–120 minutes for initial diagnosisP02C5 relates to cylinder 11 - injector leaking. Check the fault conditions and vehicle-specific procedure before replacing parts.P02C6Cylinder 12 - Fuel Trim at Max LimitCheck soonFuel System30–120 minutes for initial diagnosisP02C6 relates to cylinder 12 - fuel trim at max limit. Check the fault conditions and vehicle-specific procedure before replacing parts.P02C7Cylinder 12 - Fuel Trim at Min LimitCheck soonFuel System30–120 minutes for initial diagnosisP02C7 relates to cylinder 12 - fuel trim at min limit. Check the fault conditions and vehicle-specific procedure before replacing parts.P02C8Cylinder 12 - Injector RestrictedCheck soonFuel System30–120 minutes for initial diagnosisP02C8 relates to cylinder 12 - injector restricted. Check the fault conditions and vehicle-specific procedure before replacing parts.P02C9Cylinder 12 - Injector LeakingCheck soonFuel System30–120 minutes for initial diagnosisP02C9 relates to cylinder 12 - injector leaking. Check the fault conditions and vehicle-specific procedure before replacing parts.