Engine Backfires
Possible Cause | Solution |
---|---|
Weak spark from spark plug |
Inspect, clean and / or replace spark plug. |
Incorrect spark plug gap or heat range |
Set gap to specs or replace plug. |
Old or non-recommended fuel |
Replace with fresh recommended fuel. |
Incorrectly installed spark plug wires |
Your authorized dealer can assist. |
Mechanical failure |
Your authorized dealer can assist. |
Loose ignition connections |
Check all connections and tighten. |
Water present in fuel |
Replace with fresh recommended fuel. |