Subaru P0302 Error Code: How to Fix It

Q: What causes Subaru P0302 cylinder 2 misfire code?

Common causes include worn ignition coils, fouled spark plugs, clogged fuel injectors, vacuum leaks, low compression due to worn piston rings or valves, and carbon buildup on intake valves.

Q: Can I drive my Subaru with P0302 code?

Driving with a misfire can damage the catalytic converter and cause further engine problems. Limit driving to essential trips only and repair the issue promptly to avoid expensive damage.

Q: How much does it cost to fix P0302 on a Subaru?

Repair costs vary by cause: spark plug replacement costs $100-200, ignition coil replacement costs $200-400, fuel injector cleaning/replacement costs $300-600, and internal engine repairs can cost $1500-3000+.

Q: Will P0302 code clear itself on Subaru?

The P0302 code will not clear itself until the underlying problem is fixed. The engine computer continuously monitors cylinder performance and will re-trigger the code if misfires continue to occur.

Q: What are symptoms of cylinder 2 misfire in Subaru?

Symptoms include rough idle, engine hesitation during acceleration, reduced fuel economy, check engine light, strong fuel smell from exhaust, and noticeable vibration while driving.

Abstract

The P0302 error code indicates a misfire detected in cylinder 2 of your Subaru engine. This code typically triggers when the engine control module detects irregular combustion in the second cylinder, often caused by worn ignition coils, faulty spark plugs, or fuel delivery issues.