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Drive Belt Rumbling and Vibration Diagnosis >
< Base Engine Misfire with Coolant Consumption
Astra J
Engine
Engine mechanics - 1.6L (LDE, LLU), 1.8L (2H0)
Diagnostic Information and Procedures / Miscellaneous
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.
Engine
Engine mechanics - 1.6L (LDE, LLU), 1.8L (2H0)
Diagnostic Information and Procedures / Miscellaneous
Base Engine Misfire with Excessive Oil Consumption
Drive Belt Rumbling and Vibration Diagnosis >
< Base Engine Misfire with Coolant Consumption