Engine Will Not Crank Or Cranks Slowly; Engine Will Not Start Or Be Hard To Start (Cranks Ok); Rough Idle Or Engine Stall - Mitsubishi MONTERO 1989 Service Manual

INTRODUCTION AND MASTER TROUBLESHOOTING
- Master Troubleshooting 25
ENGINE WILL NOT CRANK OR CRANKS SLOWLY
Symptom
Engine will not crank or cranks
slowly
Probable cause
Starting system faulty
Reference
page or remedy
8-134.135
ENGINE WILL NOT START OR BE HARD TO START (CRANKS OK)
Symptom
Engine will not start or be hard to
start(Cranks OK)
ROUGH IDLE OR ENGINE STALL
Probable cause
No fuel supply to carburetor or injection system
Carburetor or injection system problems
Ignition system problems
Vacuum leaks
- Purge control valve hose
- Vacuum hoses
l
intake manifold
- Air intake plenum
l
Carburetor or throttle body
l
EGRvalve
Compression too low
Reference
page or remedy
14-34,90
14-34,90
3-147 to 149
Repair as
necessary
3-11.65
Symptom
Probable cause
Reference
page or remedy
Rough idle or
engine stalls
Vacuum leaks
l
Purge control valve hose
l
Vacuum hoses
l
Intake manifold
l
Air intake plenum
l
Carburetor or throttle body
l
EGRvalve
1 Ignition system problems
Repair as
necessary
8-147 to 149
Idle speed set too low
1 O-10.14-62
1~ ~ .
Idle mrxture too lean or too rich 14-11
Carburetor or fuel injection system problems
Exhaust gas recirculation (EGR) system problems
m-34.90
25-17.32
Engine overheats
7-4
Compression too low
9-11, 65
1 TSB Revision