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Engine knock during
acceleration and glow plug
indicator is flashing
Engine knock during
acceleration
Excessive fuel consumption
and glow plug indicator is
flashing
NOTE: Before proceeding
with any of the actions in
relation to the possible
sources for excessive fuel
consumption, a fuel
consumption test must be
carried out using WDS.
Excessive fuel consumption
*
Incorrect or
contaminated fuel.
*
Knock sensor.
*
CKP sensor.
*
Fuel injector(s).
*
Dual mass flywheel.
*
Incorrect valve
timing.
*
Excessive carbon
build up.
*
Worn or damaged
oil pump.
*
Worn or damaged
timing chain or
sprocket.
*
Major mechanical
engine failure.
*
DTC detected.
*
Knock sensor.
*
Fuel injector(s).
*
Fuel inlet metering
valve.
*
Fuel pump.
*
Major mechanical
engine failure.
*
DTC detected.
*
Brakes binding.
*
Vehicle overloaded,
or excessive wind
resistance (roof
racks, towing etc).
*
Air cleaner element
blocked.
*
Fuel filter blocked.
*
Fuel system leak(s).
http://vnx.su
*
CHECK for signs of contamination
such as strange odors from the fuel
tank.
*
CHECK for signs of water or petrol in
the diesel.
*
If contaminated fuel is found, GO to
Pinpoint Test
C.
*
REFER to WDS.
*
REFER to WDS.
*
GO to Pinpoint Test
A.
*
INSPECT the dual mass flywheel for
damage. INSTALL a new dual mass
flywheel as necessary.
*
CHECK the valve timing.
*
REMOVE the cylinder head. INSPECT
the cylinder head and pistons for signs
carbon build up.
REFER to:
Cylinder Head - 1.8L
Duratorq-TDCi (Lynx) Diesel (90 PS),
Vehicles With: Common Rail Fuel
Injection
(303-01B Engine - 1.8L
Duratorq-TDCi (Lynx) Diesel/1.8L
Duratorq-TDDi (Lynx) Diesel, In-
vehicle Repair).
*
INSPECT the engine components.
*
REFER to WDS.
*
REFER to WDS.
*
GO to Pinpoint Test
A.
*
REFER to WDS.
*
GO to Pinpoint Test
B.
*
INSPECT the engine components.
*
REFER to WDS.
*
CHECK the braking system.
REFER to:
Brake System
Brake System - General Information,
Diagnosis and Testing).
*
ADVISE the customer about the
effects of overloading the vehicle and
wind resistance on the fuel
consumption.
*
INSTALL a new air cleaner element.
*
GO to Pinpoint Test
B.
*
CHECK the system for fuel leak(s).
REPAIR or INSTALL new parts as
(206-00
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