1991-Montero-Service-Manual · trouble shooting · страница 23 из 63 · Открыть оригинал PDF ↗
| Bad starter connections or bad starter | batteries Check connections and/or replace batteries | |
|---|---|---|
| Engine Cranks Slowly, Won’t Start | Bad battery connections or dead batteries Engine oil too heavy | Check connections and/or replace batteries Replace engine oil |
| Engine Cranks Normally, But Will Not Start | Glow plugs not functioning Glow plug control not functioning Fuel not injected into cylinders No fuel to injection pump Fuel filter blocked Fuel tank filter blocked Fuel pump not operating Fuel return system blocked No voltage to fuel solenoid Incorrect or contaminated fuel Incorrect injection pump timing Low compression Injection pump malfunction | Check glow plug system, see FUEL SYSTEMS Check controller, see FUEL SYSTEMS Check fuel injectors, see FUEL SYSTEMS Check fuel delivery system Replace fuel filter Replace fuel tank filter Check pump operation and/or replace pump Inspect system and remove restriction Check solenoid and connections Replace fuel Re-adjust pump timing, see FUEL SYSTEMS Check valves, pistons, rings, see ENGINES Inspect and/or replace injection pump |
| Engine Starts, Won’t Idle | Incorrect slow idle adjustment Fast idle solenoid malfunctioning Fuel return system blocked Glow plugs go off too soon Injection pump timing incorrect No fuel to injection pump Incorrect or contaminated fuel Low compression Injection pump malfunction Fuel solenoid closes in RUN position | Reset idle adjustment, see TUNE-UP Check solenoid and connections Check system and remove restrictions See glow plug diagnosis in FUEL SYSTEMS Reset pump timing, see FUEL SYSTEMS Check fuel delivery system Replace fuel Check valves, piston, rings, see ENGINES Replace injection pump, see FUEL SYSTEMS Check solenoid and connections |
| Engines Starts/ Idles Rough W/out Smoke or Noise | Incorrect slow idle adjustment Injection line fuel leaks Fuel return system blocked | Reset slow idle, see TUNE-UP Check lines and connections Check lines and connections |
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