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Base Engine Misfire with Excessive Oil Consumption

Base Engine Misfire with Excessive Oil Consumption


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


• Inspect the spark plugs for oil deposits.

• Repair or replace as required.


Worn piston rings

Oil consumption may or may not cause the engine to misfire.


• Inspect the spark plugs for oil deposits.

• Inspect the cylinders for a loss of compression. Refer to Engine Compression Test (1.6L LLU) .

• Perform cylinder leak down and compression testing to identify the cause.

• Repair or replace as required.




PRE-RELEASE