Central Fuel Injection (CFI) unit - removal and refitting

Note: Refer to the precautions at the end of Section 1 before proceeding.

Removal
1 Disconnect the battery negative lead.

2 Remove the air cleaner assembly.

3 Depressurise the fuel system as described in Section 6, and disconnect the fuel inlet pipe from the CFI unit.

4 Disconnect the fuel return pipe from the CFI unit.

5 Disconnect the throttle cable from the linkage on the CFI unit.

6 Either drain the cooling system as described in Chapter 1, or clamp the coolant hoses as close as possible to the CFI unit to minimise coolant loss, then disconnect the hoses from the unit.

7 Disconnect the air charge temperature sensor, throttle position sensor, and throttle valve control motor wiring plugs.

8 Disconnect the vacuum pipe from the CFI unit.

9 Unscrew the four securing bolts, and lift the CFI unit from the inlet manifold (see illustration).

8.9 Unscrewing the CFI unit securing bolts (arrowed)
8.9 Unscrewing the CFI unit securing bolts (arrowed)

Refitting 10 Refitting is a reversal of removal, but on completion, refill or top-up the cooling system (as applicable) as described in Chapter 1, and check for fuel leaks with the engine running.

    See also:

    Pistons and connecting rods - removal and refitting
    Note: New connecting rod bolts and a new oil pick-up pipe gasket must be used on refitting. Removal 1 Remove the sump and the cylinder head. 2 Unscrew the two securing bolts, and remove the oil p ...

    Engine oil
    Checking the engine oil Refer to the scheduled maintenance guide for the appropriate intervals for checking the engine oil. 1. Make sure the vehicle is on level ground. 2. Turn the engine off an ...

    Fuel level sender unit - removal and refitting
    Caution: Refer to the precautions in Section 1 before proceeding. A new seal must be used when refitting the sender unit. Saloon, Hatchback and Estate models All models except 2.0 litre DOHC 1 ...