For 1990-2009 cars

Cause | Correction
--- | ---
Incorrect oil filter without anti-drainback feature | Install the correct oil filter.
Incorrect oil viscosity |

1. Drain the oil.
2. Install the correct viscosity oil.

High valve lifter leak down rate | Replace the lifters, as required.
Worn crankshaft thrust bearing |

1. Inspect the crankshaft end play.
2. Inspect the thrust bearing and crankshaft.
3. Repair or replace, as required.

Damaged or faulty oil filter bypass valve The bypass valve is now internal to the oil filter. |

1. Inspect the oil filter bypass valve for proper operation.
2. Repair or replace, as required.