P1205 Fuel System Failure Caused No
This fault is part of the Honda misfire codes guide. It covers the system and the order to check it.
What does P1205 mean on a Honda?
P1205. Fuel System Failure Caused No. 5 Cylinder Misfire. This Honda-enhanced code applies to Accord V6, Odyssey, Pilot.
Common causes of P1205
- Clogged or sticking cylinder 5 fuel injector
- Failing cylinder 5 coil-on-plug or worn spark plug
- Low fuel pressure affecting rear-bank delivery
- Vacuum leak at the rear-bank intake plumbing
- Low compression on cylinder 5 from valve or ring wear
How to fix P1205
- Confirm the cylinder 5 misfire counter with a scan tool before touching parts
- Swap the cylinder 5 coil and plug to a front-bank cylinder and see if the misfire follows
- Test the cylinder 5 injector flow and resistance
- Check fuel pressure against spec under load
- Compression test cylinder 5 if spark and fuel check out
Sources and review
- Last updated 2026-09-07.