TROUBLESHOOTING IMPOSSIBLE TO START THE ENGINE 11-1 Problem Cause Solution Engine will not start Starter does not rotate or is not powerful Discharged battery Disconnected, loose, or corroded battery terminals Lowered pilot control shut-off lever. Disconnected, loose, or corroded starter ground line terminals. Faulty pilot control shut-off lever electrical system Too high engine oil viscosity Faulty starter and/or electrical system Charge or replace battery. After repairing the corroded area, securely tighten the con- nectors. Pull pilot control shut-off lever up. After repairing the corroded area, securely tighten the con- nectors. See your authorized dealer.
Change engine oil with ap- propriate viscosity. See your authorized dealer. Starter rotates No fuel Air in the fuel system Clogged fuel filter Frozen fuel Faulty injection pump Faulty engine control system The emergency engine stop SW is ON. Faulty preheat system After checking that no fuel is leaking, refill fuel. Bleed air. After draining water, replace the element. Warm the fuel pump with hot water or wait until the atmospheric temperature rises. See your authorized dealer. See your authorized dealer. See your authorized dealer. See your authorized dealer.
Even though the engine is started, the engine stalls soon Too low idle speed Clogged fuel filter Clogged pre-fuel filter Faulty engine control system Clogged air cleaner Faulty injection pump See your authorized dealer. After draining water, replace the element. Clean or replace the element. See your authorized dealer. Clean or replace the element. See your authorized dealer. Engine runs irregularly Faulty fuel system Water or air in the fuel system Faulty engine control system See your authorized dealer. Drain water or bleed air. See your authorized dealer.