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Base Engine Misfire with Excessive Oil Consumption

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.
   


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