Range Rover Classic. Manual — part 43
19
FUEL SYSTEM
2
REPAIR
AIR FLOW SENSOR
Service repair no - 19.22.25
Remove
NOTE: The air flow sensor is not a
serviceable item. In event of failure or
damage the complete unit must be
replaced.
1. Disconnect battery negative lead.
2. Release intake hose clamp, disconnect from
sensor.
3. Disconnect multi-plug.
4. Release two clips securing air cleaner to air flow
sensor. Remove sensor from engine
compartment.
Refit
5. Reverse removal procedure. Ensure multi-plug is
firmly reconnected, and hose clamp at the rear
of sensor is securely tightened, to prevent
unmetered air entering engine.
THROTTLE POSITION SENSOR
Service repair no - 19.22.49
Remove
1. Disconnect battery negative lead.
2. Disconnect multi-plug from harness.
3. Remove two screws securing sensor to plenum
chamber and carefully pull sensor off throttle
shaft.
4. Remove old gasket.
Refit
5. Fit new gasket.
6. Align sensor and shaft flats, slide sensor on to
throttle shaft. Secure sensor to plenum chamber.
CAUTION: DO NOT operate throttle
mechanism while throttle position sensor
is loosely fitted, damage may be caused to
throttle position sensor wiper track.
MFI
3
REPAIR
IDLE AIR CONTROL VALVE
Service repair no - 19.22.54
Remove
1. Disconnect battery negative lead.
2. Disconnect multi-plug.
3. Unscrew valve from rear plenum chamber.
4. Remove washer.
Refit
5. Fit NEW sealing washer.
NOTE: If same idle air control valve is
being refitted clean sealing compounds
from threads. Apply Loctite 241 to threads
of valve before reassembly.
6. Tighten valve to
20 Nm.
7. Reverse removal procedure.
VEHICLE SPEED SENSOR
Service repair no - 88.30.14
The vehicle speed sensor is located in the LH side of
the transfer box.
Remove
1. Place vehicle on lift, apply parking brake.
2. Disconnect battery negative lead.
3. Raise lift, disconnect multiplug from vehicle
speed sensor.
4. Remove screw securing sensor to transfer box.
5. Remove vehicle speed sensor
Refit
6. Reverse removal procedure.
19
FUEL SYSTEM
4
REPAIR
MULTIPORT FUEL INJECTION RELAYS
Service repair no - 19.22.08
The two Multiport fuel injection relays are located in
the RH footwell area behind the ’A’ post trim panel.
The fuel injection relays can be identified as follows:
A. Fuel pump relay - Blue base
B. Main relay - Black base
Remove
1. Release front door seal from ’A’ post.
2. Remove lower ’A’ post trim panel.
3. Pull relay from base.
Refit
4. Reverse removal procedure.
ENGINE CONTROL MODULE (ECM)-14 CUX
Service repair no - 19.22.34
NOTE: The ECM is not serviceable, in
event of unit failure it must be replaced.
Remove
1. Remove the fascia right-hand closing panel.
2. Remove the right-hand footwell side panel trim.
3. Disconnect battery negative lead.
4. Release ECM plug retaining clip.
5. Manoeuvre the front of the plug (in the direction
of the bold arrow) and detach the other end of
the plug from the retaining peg.
6. Release the two screws securing the ECM to the
right-hand footwell side panel.
7. Withdraw the ECM from the clip.
Refit
8. Refit the ECM securely in the clip and fit the two
screws.
9. Reconnect the ECM harness plug. Ensure that
the plug is pushed firmly into its location and that
the retaining clip secures the plug in position.
10. Reverse removal procedure.
MFI
5
REPAIR
INERTIA FUEL SHUTOFF SWITCH
Service repair no - 18.30.35
The inertia fuel shutoff switch is located on the
bulkhead next to the washer reservoir under bonnet
[hood].
Remove
1. Disconnect battery negative lead.
2. Disconnect multiplug from inertia switch.
3. Remove 2 screws securing inertia switch to
mounting bracket.
4. Remove inertia switch.
Refit
5. Position inertia switch to mounting bracket and
secure with screws.
6. Connect multiplug to inertia switch.
7. Reconnect battery negative lead.
ENGINE FUEL TEMPERATURE SENSOR
Service repair no - 19.22.08
Remove
NOTE: Fuel leakage will not occur when
sensor is removed from fuel rail, therefore
it is not necessary to depressurise the fuel
system.
1. Disconnect battery negative lead.
2. Disconnect multi-plug from sensor.
3. Release sensor from fuel feed rail.
Refit
4. Reverse removal procedure. Ensure sensor is
tightened securely in fuel rail.
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