Cause
| Correction
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Review the system operation in order to familiarize yourself with the system functions. As required, disable the auto-stop function prior to repair. Refer to
Hybrid Modes of Operation Description.
|
Worn valves, valve guides and/or valve stem oil seals
|
- Inspect the spark plugs for oil deposits. Refer to
Spark Plug Inspection.
- 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. Refer to
Spark Plug Inspection.
- Inspect the cylinders for a loss of compression. Refer to
Engine Compression Test.
- Perform cylinder leak down and compression testing to determine the cause. Refer to
Cylinder Leakage Test.
- Repair or replace, as required.
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