Land Rover Defender V8i Workshop Supplement Rover Manual

EMISSION CONTROL
1
FAULT DIAGNOSIS TESTING EVAPORATIVE EMISSION CONTROL
Equipment required.
Nitrogen cylinder (compressed air may be used to
pressurize the system when there has NEVER been
fuel present in the fuel or evaporative control
systems).
The following pressure test procedure is intended to
provide a method for ensuring that the system does
not leak excessively and will effectively control
evaporative emissions.
Water manometer 0 - 762mm (0 - 30 H2o or more).
Pipework and a T piece.
Method....

EMISSION CONTROL
1
REPAIR EVAP CANISTER AND PURGE CONTROL VALVE
Service repair no - 17.15.13
Remove
1.Depress tags securing purge pipe to plenum
chamber.
2.Disconnect purge pipe from plenum chamber.
3.Remove PAS reservoir clamp bracket bolt.
4.Open clamp and release reservoir from bracket.
5.Remove 2 nuts securing bracket to wing.
6.Release bracket from wing and disconnect
multiplug from purge valve.
7.Release clip and disconnect fuel tank vapour
separator pipe from canister pipe.
8.Move PAS reservoir...

17EMISSION CONTROL
2
REPAIR VAPOUR SEPARATOR
Service repair no - 17.15.19
Remove
1.Remove 7 screws securing floor carpet rear
retainer.
2.Release lower section of door sealing rubber on
one side.
3.Remove carpet retainer.
4.Fold floor carpet back on RH side.
5.Release RH side carpet and move aside to
reveal 2 screws securing vapour separator.
6.Remove 2 screws securing vapour separator.
7.Release vapour separator pipe from clip on fuel
pipe.
8.Depress 2 lugs on vapour separator connector
and disconnect...

EMISSION CONTROL
3
REPAIR FRONT PIPE / CATALYTIC CONVERTER
Service repair no - 17.50.09
Remove
WARNING: The removal of the exhaust
system must only be carried out when the
engine is cold.
1.Raise vehicle on ramp.
2.Remove RH oxygen sensor.
See FUEL
SYSTEM, Repair, Heated oxygen sensor
(HO2s)
3.Remove LH oxygen sensor.See FUEL
SYSTEM, Repair, Heated oxygen sensor
(HO2s)
4.Remove 4 bolts securing front anti-roll bar
mounting brackets.
5.Remove 6 nuts securing front pipe assembly to
exhaust manifolds....

19 - FUEL SYSTEM
CONTENTS
Page
SFI
DESCRIPTION AND OPERATION
ENGINE MANAGEMENT SYSTEM COMPONENT LOCATION 1.........................
ENGINE MANAGEMENT SYSTEM 3.....................................................................
ADJUSTMENT
ENGINE TUNING 1.................................................................................................
FUEL SYSTEM DEPRESSURISE 1.......................................................................
FUEL TANK DRAIN...

SFI
1
DESCRIPTION AND OPERATION ENGINE MANAGEMENT SYSTEM COMPONENT
LOCATION
1.Engine Control Module (ECM)
2.Ignition coils
3.Fuel pressure regulator
4.Mass air flow (MAF) sensor
5.Relay module
- Main relay
- Fuel pump relay
6.Engine coolant temperature (ECT) sensor
7.Camshaft position (CMP) sensor
8.Throttle position (TP) sensor