What does code P22E3 mean?

Q: What does code P22E3 mean?

Cylinder 3 Alternative Fuel Injector Control Circuit High. P22E3 means the engine computer has detected an abnormally high voltage on the control circuit for the alternative fuel injector serving cylinder 3. The computer expects the circuit to pull the voltage low when it commands the injector on, but it sees the line stuck near battery voltage instead, indicating an open circuit or a driver fault.

DTC codes / P22xx · Fuel and air metering (injector circuits) / P22E3

P22E3Cylinder 3 Alternative Fuel Injector Control Circuit High

P22E3 means the engine computer has detected an abnormally high voltage on the control circuit for the alternative fuel injector serving cylinder 3. The computer expects the circuit to pull the voltage low when it commands the injector on, but it sees the line stuck near battery voltage instead, indicating an open circuit or a driver fault.

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.