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1 Engine will not crank
Possible fault
Remedy
Faulty or discharged battery
(too low voltage ).
Check / recharge battery and
check engine alternator and/or
battery charger.
Fuse blown.
Replace.
Loose or corroded connec-
tions in starting circuit.
Clean and tighten connections.
Wrong engine electric mass
connection.
Repair.
Faulty starter-switch or faulty
starter-relay.
Check / replace.
Faulty starter-motor or pinion
does not engage.
Check / replace starter-motor.
Seized components.
Repair.
Water in the cylinder .
Check / Repair.
2 Engine cranks but will not start, no smoke from exhaust
Possible fault
Remedy
(Nearly) Empty fuel tank.
Refill.
Fuel stop valve closed.
Open.
Fuel pre-filter clogged .
Clean /replace
Fuel filter clogged with water
and/or contamination.
Check or replace.
Vent line of fuel supply tank
clogged.
Check / clean.
Faulty injector/injection pump.. Check, replace if required.
Fuel electric pressure regula-
tor clogged
Check /clean or replace
Leaking fuel supply line or fuel
injection line.
Check / replace.
Air in fuel system.
Check and bleed.
Electrical fuel low pressure
pump is not working.
Check the electrical connection,
check the pump, replace.
Exhaust restricted.
Check.
9 Troubleshooting
Fault finding table
Summary of Contents for DT4.70
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