Page text (OCR transcript)
TROUBLESHOOTING (Cont'd)
Problem | Possible cause | Remedy | Page
Excessive oil consumption | Oil leak | Repair as necessary | LU-7
| PCV line clogged | Check PCV system | EC-5
| Piston rings worn or damaged | Check rings | EM-63
| Valve stem and guide worn | Check valves | EM-32
| Valve stem seal worn | Check seals | EM-32
Poor fuel economy | Fuel leak | Repair as necessary |
| Air cleaner clogged | Check air cleaner | MA-5
| Incorrect ignition timing | Reset timing | IG-20
| EFI system problems | Repair as necessary |
| • Injector faulty |
| • Deceleration fuel cut system faulty |
| Idle speed too high | Check ISC system | FI-106
| Spark plugs faulty | Inspect plugs | IG-7
| EGR system always on | Check EGR system | EC-12, 16
| Low compression | Check compression | EM-20, 21
| Tires improperly inflated | Inflate tires to proper pressure |
| Clutch slips | Troubleshoot clutch |
| Brakes drag | Troubleshoot brakes |
Unpleasant odor | Incorrect idle speed | Check ISC system | FI-106
| Incorrect ignition timing | Reset timing | IG-20
| Vacuum leak | Repair as necessary |
| • PCV hoses |
| • EGR valve |
| • Intake manifold |
| • Air intake chamber |
| • Throttle body |
| EFI system problems | Repair as necessary |
