What does code P22F7 mean?

Q: What does code P22F7 mean?

Cylinder 8 Alternative Fuel Injector Control Circuit High. P22F7 indicates that the powertrain control module (PCM) has detected a high-voltage condition on the control circuit for cylinder 8's alternative fuel injector. This means the circuit is showing voltage above the expected range when the injector is commanded on, which can prevent proper fuel delivery to that cylinder.

DTC codes / P22xx · Fuel and air metering (injector circuits) / P22F7

P22F7Cylinder 8 Alternative Fuel Injector Control Circuit High

P22F7 indicates that the powertrain control module (PCM) has detected a high-voltage condition on the control circuit for cylinder 8's alternative fuel injector. This means the circuit is showing voltage above the expected range when the injector is commanded on, which can prevent proper fuel delivery to that cylinder.

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.