Troubleshooting guide (Diesel engine)
Malfunction
Possible Cause
Engine will not start
Fuel tank empty.
Faulty glow plugs.
Fuel supply not in order.
Faulty injection nozzles.
Injection timing out of adjustment.
Faulty injection pump.
Battery power is too low, battery terminals loose
or oxidized, causing poor starter performance.
Idling problems
Fuel supply not in order.
Incorrect RPM or adjusting screw loose.
Fuel hose between injection pump and
fuel filter loose.
Faulty injection nozzles.
Injection timing out of adjustment.
Faulty injection pump.
Mechanical fault in engine: e.g. faulty engine
mounting, damaged piston rings.
80
Remedy
Fill the tank.
Replace the glow plugs.
Disconnect injection line at nozzles, start engine, and
check if fuel is being delivered. If there is no fuel delivery,
check the fuel lines, fuel filter and tank breather.
These faults should always be checked and remedied by
your authorised distributor, as special tools are required.
Check battery, clean terminals,
tighten and coat with acid-free grease.
Renew fuel filter canister.
Fuel return or injection lines are leaking, dirty or bent.
Contact your authorised distributor as special tools
are required.
Check connections for tightness and replace hose, if
necessary.
These faults should always be checked and remedied by
your authorised distributor, as special tools are required.
See Page
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