For 1990-2009 cars

## Base Engine Misfire with Excessive Oil Consumption LDK

Cause | Correction
--- | ---
Worn valves, valve guides, and/or valve stem oil seals |

1. Inspect the spark plugs for oil deposits.
2. Repair or replace, as required.

Worn piston rings Oil consumption may or may not cause the engine to misfire. |

1. Inspect the spark plugs for oil deposits.
2. Inspect the cylinders for a loss of compression. Refer to Engine Compression Test.
3. Perform cylinder leak down and compression testing to determine the cause.
4. Repair or replace, as required.