For 1990-2009 cars

Cause | Correction
--- | ---
Damaged or improperly installed cylinder head. Coolant consumption may or may not cause the engine to misfire. |

• | Inspect the spark plugs. Refer to Spark Plug Inspection

• | Verify engine compression. Refer to Engine Compression Test.

• | Inspect the cylinder heads.

• | Inspect the engine block.

• | Repair or replace damaged components as required.