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Home >> Chevrolet >> 2011 >> Cruze LS, Standard >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 1.8L (2H0 Or LUW) - Troubleshooting & Diagnosis >> Diagnostic Information and Procedures >> 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 .
  • Perform cylinder leak down and compression testing to determine the cause.
  • Repair or replace as required.
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