For 1990-2009 cars

Cause | Correction
--- | ---
Low oil pressure |

1. Perform an oil pressure test. Refer to Oil Pressure Diagnosis and Testing.
2. Repair or replace as required.

Detonation or spark knock | Verify the correct operation of the ignition. Refer to Symptoms - Engine Controls.
Loose torque converter bolts |

1. Inspect the torque converter bolts and flywheel.
2. Repair as required.

Cracked flywheel, automatic transmission |

1. Inspect the flywheel bolts and flywheel.
2. Repair as required.

Excessive connecting rod bearing clearance | Inspect the following components, and repair as required:

• | The connecting rod bearings

• | The connecting rods

• | The crankshaft

Excessive crankshaft bearing clearance | Inspect the following components, and repair as required:

• | The crankshaft bearings

• | The crankshaft journals

• | The cylinder block crankshaft bearing bore