2018 Subaru P0302: What It Means & Is It Safe to Drive?
P0302 on the 2018 Subaru: Cylinder 2 Misfire Detected. Here's what it means, what usually causes it, what repairs typically cost, and whether it's safe to keep driving.
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What this code means
The PCM has detected a misfire on cylinder 2. Same logic as P0301, but for a different cylinder.
Common causes on the 2018 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 2018 Subaru, repairs for P0302 typically fall between $150 and $900, depending on the root cause and labor rates in your area.
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
Outback EJ25 2000–2009Forester 2.5XT 2004–2008Legacy EJ25 2000–2009