OBD2 Error Code P0351: How to Fix It

Q: Can I drive with error code P0351?

You should avoid driving with P0351 as it indicates an ignition system malfunction that can cause engine damage, poor fuel economy, and potential safety issues. Have it repaired as soon as possible.

Q: How much does it cost to fix P0351?

Repair costs typically range from $50-200 for DIY repairs (parts only) or $150-400 at a shop, depending on whether you need to replace just the ignition coil, spark plug, or both.

Q: What causes ignition coil failure?

Common causes include worn spark plugs creating excessive resistance, overheating, vibration, oil contamination, or normal wear over time. Most ignition coils last 80,000-120,000 miles.

Q: Will P0351 cause my car to fail emissions testing?

Yes, P0351 will likely cause your vehicle to fail emissions testing because it indicates a malfunction in the ignition system that affects combustion efficiency and exhaust emissions.

Abstract

OBD2 error code P0351 indicates a malfunction in the ignition coil A primary or secondary circuit, typically affecting cylinder 1. This error can cause engine misfires, rough idling, and reduced performance. The issue is usually caused by a faulty ignition coil, damaged wiring, or a bad spark plug.