Engine Backfires
Possible Cause | Solution |
---|---|
Out of fuel |
Refuel |
Weak spark from spark plug |
Inspect, clean and/or replace spark plugs |
Incorrect spark plug gap or heat range |
Set gap to specs or replace plugs |
Old or non-recommended fuel |
Replace with fresh recommended fuel |
Incorrectly installed spark plug wires |
See your dealer |
Incorrect ignition timing |
See your dealer |
Loose ignition connections |
Check all connections and tighten |
Water present in fuel |
Replace with fresh recommended fuel |
Exhaust leak |
Check all connections |
Mechanical failure |
See your dealer |