11-4 SERVICING INFORMATION
ENGINE
Complaint
Symptom and possible causes
Remedy
Engine will not start
or is hard to start.
Compression too low
1. Tappet clearance out of adjustment.
2. Worn valve guides or poor seating of valves.
3. Mistimed valves.
4. Excessively worn piston rings.
5. Worn-down cylinder bores.
6. Starter motor cranks too slowly.
7. Poor seating of spark plugs.
Plugs not sparking
1. Fouled spark plugs.
2. Wet spark plugs.
3. Defective ignition coil or camshaft position sensor.
4. Open or short in high-tension cords.
5. Defective crankshaft position sensor.
6. Defective ECM.
7. Open-circuited wiring connections.
No fuel reaching the intake manifold
1. Clogged fuel filter or fuel hose.
2. Defective fuel pump.
3. Defective fuel pressure regulator.
4. Defective fuel injector.
5. Defective fuel pump relay.
6. Defective ECM.
7. Open-circuited wiring connections.
Incorrect fuel/air mixture
1. Throttle position sensor out of adjustment.
2. Defective fuel pump.
3. Defective fuel pressure regulator.
4. Defective throttle position sensor.
5. Defective crankshaft position sensor.
6. Defective intake air pressure sensor.
7. Defective atmospheric pressure sensor.
8. Defective ECM.
9. Defective engine coolant temp. sensor.
10. Defective intake air temp. sensor.
Adjust.
Repair or replace.
Adjust.
Replace.
Replace.
See electrical section.
Retighten.
Clean.
Clean and dry.
Replace.
Replace.
Replace.
Replace.
Repair or replace.
Clean or replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Check and repair.
Adjust.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Engine idles poorly.
1. Tappet clearance out of adjustment.
2. Poor seating of valves.
3. Defective valve guides.
4. Worn down camshaft.
5. Too wide spark plug gaps.
6. Defective ignition coil.
7. Defective crankshaft position sensor.
8. Defective ECM.
9. Defective throttle position sensor.
10. Defective fuel pump.
11. Imbalanced throttle valve.
12. Damaged or cracked vacuum hose.
13. Defective IAC valve.
Adjust.
Replace or repair.
Replace.
Replace.
Adjust or replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Adjust.
Replace.
Replace.
Содержание AN650 2002
Страница 1: ......
Страница 47: ...PERIODIC MAINTENANCE 2 29 ...
Страница 124: ...ENGINE 3 73 POSITION OF CAMSHAFTS AND SPROCKETS 15 1 1 2 2 3 3 ...
Страница 137: ...CVT 5 3 Remove the CVT mounting bolts Remove the CVT assembly ...
Страница 177: ...6 16 FI SYSTEM CVT SYSTEM E Serial communication G Speed signal Speed sensor H Engine rpm Crankshaft position sensor ...
Страница 425: ...SERVICING INFORMATION 11 21 FUEL TANK MOUNTING ...
Страница 426: ...11 22 SERVICING INFORMATION FUEL TANK MOUNTING Only for E 28 ...
Страница 427: ...SERVICING INFORMATION 11 23 FUEL TANK HOSE ROUTING Clamp Orange Black Gray Black 5 8 mm 5 8 mm 5 mm TPC valve TPC valve ...
Страница 462: ...Prepared by July 2002 Part No 99500 36110 01E Printed in Japan 464 ...
Страница 463: ......