SERVICING INFORMATION 10-3
Complaint
Symptom and possible causes
Remedy
Engine idles poorly.
1. Valve clearance out of adjustment
2. Poor seating of valves
3. Defective valve guides
4. Worn rocker arms or cam surfaces
5. Too wide spark plug gap
6. Defective ignition coil
7. Defective CKP sensor
8. Defective ECM
9. Defective TP sensor
10. Defective fuel pump
Adjust.
Replace or repair.
Replace.
Replace.
Adjust or replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Engine stalls often.
Incorrect fuel/air mixture
1. Defective IAP sensor or circuit
2. Clogged fuel mesh filter
3. Defective fuel pump
4. Defective fuel pressure regulator
5. Defective ET sensor
6. Defective IAT sensor
Fuel injector improperly operating
1. Defective fuel injector
2. No injection signal from ECM
3. Open or short circuited wiring connection
4. Defective battery or low battery voltage
Control circuit or sensor improperly operating
1. Defective ECM
2. Defective fuel pressure regulator
3. Defective TP sensor
4. Defective IAT sensor
5. Defective CKP sensor
6. Defective ET sensor
Engine internal parts improperly operating
1. Fouled spark plug
2. Defective CKP sensor or ECM
3. Clogged fuel hose
4. Valve clearance out of adjustment
Repair or replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Repair or replace.
Repair or replace.
Replace or recharge.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Clean.
Replace.
Clean.
Adjust.
Содержание TU250X
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