P1203 HONDA Possible Causes
- Ignition spark
- Check primary and secondary ignition
- Check the fuel supply system
- Fuel pressure and injector
- Check for vacuum leaks
- Check the mechanical condition of the engine
How to fix P1203 HONDA code?
Start by checking the “possible causes” listed above. Visually inspect the wiring harness and corresponding connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
- Engine light on (or engine warning light soon to be on)
P1203 HONDA Meaning
Fuel system malfunction caused by cylinder #3 misfire is the generic description of Honda P1203 code, but the manufacturer may have a different description for your model and vehicle year. Currently, we have no further information about Honda OBDII code P1203.