P1227
Fuel Injector 2 Control Circuit Shorted
Severity
⚠️ MediumCan you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–89 (est.)
Symptoms
- Unstable engine operation
- Power Loss
- Increased engine vibration
- Increased fuel consumption
- Check Engine Light Is On
Causes
- Short circuit in injector wiring harness
- Fuel injector malfunction
- Relay or fuse problems
- Short circuit in the ECU control circuit
- Poor contact in the injector connector
How to Fix
- Visually inspect the injector wiring harness for damage.
- Checking the injector resistance with a multimeter
- Checking the voltage and continuity of the control circuit
- Cleaning the injector connector contacts
- Replacing a faulty injector or repairing wiring