OBD-II code guide
P0202 Injector Circuit Cylinder 2
P0202 means the fuel injector circuit for cylinder 2 has an electrical fault.
What it means
Cylinder 2 injector control is not behaving as expected.
Common symptoms
- Rough idle
- Misfire
- Poor acceleration
- Check engine light
- Possible fuel smell
Likely causes
- Faulty injector
- Wiring open or short
- Connector problem
- Control driver issue
- Harness damage
First checks
- Inspect injector wiring.
- Compare with cylinder 2 misfire data.
- Check power and control signal.
- Do not overlook harness damage after engine work.