P1380: Misfire Detected - Rough Road Data Not Available

What does P1380 mean?

P1380 is a diagnostic trouble code indicating "Misfire Detected - Rough Road Data Not Available". One or more engine cylinders are not firing correctly, which can cause rough running, loss of power, and increased emissions. Continued driving with active misfires can damage the catalytic converter.

Symptoms you may notice

• Check engine light (MIL) illuminated on dashboard
• Rough idle or engine shaking
• Loss of power during acceleration
• Engine hesitation or stumbling
• Increased fuel consumption

Common causes

• Worn or fouled spark plugs
• Failing ignition coil
• Clogged or leaking fuel injector
• Low fuel pressure
• Vacuum leak near the intake manifold
• Low compression in the affected cylinder

What should you do?

This is a critical issue. Stop driving as soon as it is safe to do so and have the vehicle inspected immediately. Continuing to drive could cause further damage or pose a safety risk.