For 1990-2009 cars

Cause | Correction
--- | ---
Incorrect oil filter without anti-drainback feature | Install the correct oil filter.
Incorrect oil viscosity | Drain the engine oil and replace with the correct viscosity oil.
High stationary hydraulic lash adjuster (SHLA), valve lifter, leak down rate | Replace the SHLAs, valve lifters, as required.
Worn crankshaft thrust bearing |

• | Inspect the thrust bearing and crankshaft.

• | Repair or replace as required.

Damaged or faulty oil filter by-pass valve |

• | Inspect the oil filter by-pass valve for proper operation.

• | Repair or replace as required.