Indice dei codici guasto · low
P1201
Injector - cylinder 1 – open/closed circuit
Injector - cylinder 1 – open/closed circuit
Common causes
- See factory diagnostic procedure / wiring diagram for this code
Quick checks
- Confirm freeze-frame and conditions when the code set
- Inspect connectors, grounds, and harness for the circuit named in the code
- Compare live sensor values vs expected (unplugged/biased sensors are common)
- Swap coil/plug to another cylinder if misfire is cylinder-specific