Skylark L4-144 2.4L DOHC VIN T SFI (1997)
Engine Oil: Symptom Related Diagnostic Procedures
Excessive Oil Loss
An engine that has excessive oil consumption uses 1.9L (2 qts) of oil, or more, within 2,000 miles (3200 km). The following conditions are indications of
excessive on consumption:
1. Improperly read oil level indicator (dipstick)
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Check the oil while the car is standing on a level surface.
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Allow adequate drain-down time.
2. Improper oil viscosity
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Use the recommended-SAE viscosity for prevailing temperatures.
3. Continuous high-speed driving
4. Severe hauling, such as a trailer, causing decreased oil mileage.
5. Malfunctioning crankcase ventilation system
6. External oil leaks
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Tighten the bolts, as necessary.
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Replace the gaskets and seals, as necessary.
7. Worn or omitted valve guides and/or valve stem seals
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Replace the valve stem seals.
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If the valve guides are wore, replace the cylinder head.
8. Broken, improperly installed worn or unseated piston rings.
9. Piston improperly installed or improperly fitted.
10. Plugged cylinder head gasket oil drain holes
