DAF CF85 Series Service Manual

©
200416 2-5
CE engine fuel system
DIAGNOSTICS
ΧΦ65/75/85 series
4
1
SYMPTOM: FUEL CONSUMPTION TOO HIGH
Possible cause Remedy
Poor fuel quality Drain fuel, flush fuel system, replace the fuel filters
and fill fuel tank with fuel
Fuel fine filter/coarse filter clogged Replace fuel fine filter and clean the system
Injector(s) mechanically defective or clogged Replace the injectors
Leak in fuel system Check for leaks
SYMPTOM: REDUCED MAXIMUM ENGINE SPEED
Possible cause Remedy
Air in fuel system Check for drawing in of air:
- via the suction pipe
Fuel fine filter/coarse filter clogged Replace the fuel filter and clean the system
Injector(s) mechanically defective or clogged Replace the injectors
High-pressure pump or fuel lift pump delivery too
low
Check:
- the high-pressure pump
- the fuel lift pump
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DAF CF85 Series Specifications

General

Brand	DAF
Model	CF85 Series
Category	Trucks
Language	English