Cause 
 | Correction 
 | 
Low oil pressure 
 | 
|     •  | Repair or replace as required. |  
  
 | 
Detonation or spark knock 
 | Verify the correct operation of the ignition controls. Refer to 
Electronic Ignition (EI) System Diagnosis
 in Engine Controls. 
 | 
Loose torque converter bolts 
 | 
|     •  | Inspect the torque converter bolts and engine flywheel. |  
  
 | 
Cracked engine flywheel 
 | 
|     •  | Inspect the engine flywheel and bolts. |  
  
 | 
Excessive connecting rod bearing clearance 
 | Inspect the following components, and repair as required: 
|     •  | The connecting rod bearings |  
  
 | 
Excessive crankshaft bearing clearance 
 | Inspect the following components, and repair as required: 
|     •  | The crankshaft bearings |  
  
|     •  | The crankshaft journals |  
  
|     •  | The cylinder block crankshaft bearing bore |  
  
 |