What does code P0302 mean on a Subaru and is it safe to drive?
P0302: Cylinder 2 Misfire Detected. Here's what it means on your Subaru, what usually causes it, what repairs typically cost, and how safe it is to keep driving.
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 Subaru
- 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 Subaru, 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 Subaru
EJ25 Subaru P0302 should be tested for head gasket integrity on the front cylinder bank before assuming an ignition fault. A compression and leak-down test on cylinder 2 quickly confirms whether combustion gases are escaping past the gasket.
Most commonly affected models