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5•12 Engine electrical systems
25.3 Disconnecting the air charge
temperature sensor wiring plug
25 Air charge temperature
sensor - removal and refitting
1 The sensor is located in the upper section of
the inlet manifold (DOHC fuel-injection
engines) or the side of the plenum chamber
(V6 engines).
2 To remove the sensor, first disconnect the
battery negative lead.
3 Disconnect the sensor wiring plug by pulling
on the plug, not the wiring (see illustration).
4 Unscrew the sensor from the inlet manifold
and remove it.
5 Refitting is a reversal of removal, applying a
smear of sealant to the threads of the sensor
and tightening it to the specified torque.
26 Fuel temperature sensor -
removal and refitting
1 Fitted to 2.0 litre DOHC fuel-injected
engines,this sensor is located in the top of the
fuel rail.
2 To remove the sensor, first disconnect the
battery negative lead, and to improve access,
disconnect the wiring plug from the air charge
temperature sensor (in the inlet manifold).
Disconnect the sensor wiring plug by pulling
on the plug, not the wiring.
3 Disconnect the fuel temperature sensor
wiring plug, again pulling on the plug (see
illustration).
4 Unscrew the sensor from the fuel rail and
remove it.
5 Refitting is a reversal of removal, tightening
the sensor to the specified torque.
26.3 Disconnecting the fuel temperature
sensor wiring plug
27 Vehicle speed sensor -
removal and refitting
1 Fitted to DOHC fuel-injected engines and to
V6 engines with catalytic converters, this
sensor is located in the left-hand side of the
gearbox/transmission.
2 To remove the sensor first disconnect the
battery negative lead.
3 Firmly apply the handbrake then jack up the
vehicle and support it securely on axle stands
(see "Jacking").
4 Detach the sensor wiring connector from
the bracket, and separate the two halves of
the connector (see illustration).
5 Unscrew the securing bolt, and withdraw
the wiring connector bracket, noting the
orientation.
6 Withdraw
the
sensor
gearbox/transmission casing.
7 Before refitting the sensor, examine the O-
ring, and renew if damaged or worn.
8 Refitting is a reversal of removal, ensuring
that the wiring connector bracket is correctly
located.
28 Manifold absolute pressure
(MAP) sensor - removal and
refitting
1 On DOHC fuel-injected engines, this sensor
is located on the right-hand side of the engine
compartment where it is mounted either on
the suspension turret or on the bulkhead (see
illustration). V6 engines have the sensor
27.4 Vehicle speed sensor wiring plug
28.1 Manifold Absolute Pressure (MAP)
sensor location - models equipped with a
mounted on the centre of the engine
compartment bulkhead.
from
the
2 To remove the sensor first disconnect the
battery negative terminal.
3 Remove the two sensor retaining screws
and carefully withdraw the sensor, taking care
not to strain the wiring.
4 Disconnect the wiring plug from the sensor,
pulling on the plug not the wiring, then
disconnect the vacuum hose and remove the
sensor.
5 Refitting is a reversal of removal.
(arrowed)
catalytic converter
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