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DTC codes / P22xx · Fuel and air metering (injector circuits) / P22EB

P22EBCylinder 5 Alternative Fuel Injector Control Circuit High

P22EB indicates that the powertrain control module (PCM) has detected an abnormally high voltage on the control circuit for the alternative fuel injector serving cylinder 5. This typically means the circuit is shorted to power, the injector coil is open, or the driver inside the PCM has failed, and the PCM may disable that injector to protect the circuit.

SystemPowertrain
Code typeGeneric (all makes)
SeverityMedium
Fix difficultyIntermediate
AreaFuel and air metering (injector circuits)

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.

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