What does code P0302 mean on a Honda and is it safe to drive?
P0302: Cylinder 2 Misfire Detected. Here's what it means on your Honda, what usually causes it, what repairs typically cost, and how safe it is to keep driving.
PowertrainHigh urgency
What this code means
The PCM has detected a misfire on cylinder 2. Same logic as P0301, but for a different cylinder.
Common causes for your Honda
- Worn or fouled spark plug on cylinder 2
- Failing ignition coil
- Leaking or clogged fuel injector
- Low compression on cylinder 2
Symptoms
- Check Engine Light
- Noticeable shaking, especially at idle
- Loss of power or hesitation
Typical fixes
- Replace spark plug/coil on cylinder 2
- Clean or replace injector
- Address internal engine problems if compression is low
Repair cost range
For a Honda, repairs for P0302 often fall between $150 and $900, depending on the cause and whether you use OEM or aftermarket parts. Labor rates vary by location.
Known issues on Honda
Honda K24 P0302 is often a worn spark plug or carbon tracking on the plug boot rather than a coil failure. Inspect the plug condition carefully—K24 plugs on high-mileage engines can develop hairline cracks in the ceramic that cause misfires on cylinder 2.
Most commonly affected models
Accord 2.4L 2003–2007CR-V K24 2007–2011Element 2003–2008