
70
Fault Finding
CHART C2—Lubricating Oil contaminated
Cause
Remedy
Coolant in the lubricating oil, internal engine
component leaks.
Refer to
Chart D1.
Lubricating oil sludge excessive.
Change oil & filter.
Review/reduce the lubricating oil change intervals. If operating in
arduous conditions change oil more frequently.
Make sure the correct lubricating oil is being used, Refer to
Fluids
& Lubricants
section.
Fuel in the lubricating oil, engine operating
too cold.
Review the operation for excessive idling resulting in the engine
running below normal temperature.
Fuel lift pump leaking.
Repair or replace the fuel lift pump.
One or more injector worn or
malfunctioning.
Check and externally clean the injector. If the problem still
persists, the injector must be checked by a FIE specialist or replace
with new.
Worn or malfunction fuel injection pump
(FIP). Injection pump not delivering fuel.
Check for operation of the FIP.
The FIP must be taken to a local FIE specialist to have the fuel
delivery timing checked. Ensure that all obvious causes have been
eliminated before removing the FIP. (Needs to be, Delphi DP210
capable agent for mechanical engines and for common rail
electronic engines see Delphi agent or JCB dealer
(www.delphi.com or www.jcb.com)
Internal bearing or component damage.
Have oil sample analysed. Repair engine as required.