What causes P1201 on a Honda?

Clogged cylinder 1 fuel injector Failing cylinder 1 coil or worn plug Low fuel pressure Vacuum leak near cylinder 1 Low compression on cylinder 1

How do I fix P1201 on a Honda?

Confirm the misfire counter with a scanner Swap the coil and plug to see if the misfire follows Test the cylinder 1 injector Check fuel pressure Compression test cylinder 1 if fuel and spark check out

P1201 Fuel System Failure Caused No

Q: What does P1201 mean on a Honda?

P1201. Fuel System Failure Caused No. 1 Cylinder Misfire. Applies to Civic, Accord, CR-V.

Category: Powertrain - Ignition
Severity: Check Engine Light
Applies to: Civic, Accord, CR-V

This fault is part of the Honda misfire codes guide. It covers the system and the order to check it.

What does P1201 mean on a Honda?

P1201. Fuel System Failure Caused No. 1 Cylinder Misfire. This Honda-enhanced code applies to Civic, Accord, CR-V.

Common causes of P1201

Clogged cylinder 1 fuel injector
Failing cylinder 1 coil or worn plug
Low fuel pressure
Vacuum leak near cylinder 1
Low compression on cylinder 1

How to fix P1201

Confirm the misfire counter with a scanner
Swap the coil and plug to see if the misfire follows
Test the cylinder 1 injector
Check fuel pressure
Compression test cylinder 1 if fuel and spark check out

Sources and review

Last updated 2026-09-06.