P22F3

Cylinder 7 Alternative Fuel Injector Control Circuit High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$28–89 (est.)

Symptoms

Unstable engine operation
Power Loss
Increased fuel consumption
Misfire in cylinder 7
Check Engine Light Is On

Causes

Control circuit short circuit to positive
Alternate fuel injector malfunction
Wiring harness damage
Poor contact in connectors
Engine control unit malfunction

How to Fix

Check the integrity of the injector wiring harness
Diagnose injector resistance and operation
Check control circuit voltage
Inspect connectors for corrosion or damage
If necessary, replace the nozzle or repair the wiring

Related codes

P22F0 P22F1 P22F2