For 1990-2009 cars

Cause | Correction
--- | ---
Incorrect oil filter. | 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 correct operation.

• | Replace the oil filter as required.