FIAT Uno 45 - Manual (Page 196)

80 The injector retaining plate socket-headed
screws may now be removed using an Allen
key. Withdraw the fuel injectors and insulators
(photos).
81 New injectors, complete with the fuel rail,
must be purchased as an assembly. Always
use new seals when refitting the injectors and
the insulators (photos).
Electronic control unit (ECU)
82 The ECU is located under the right-hand
side of the facia panel.
83 Pull off the multipin connector plug and
extract the fixing screws (photo).
System control relay
84 This is located adjacent to the airflow
meter. Pull off the multipin connector and
release the relay fixing (photo).
Fuel injector cooling fan
85 This is located low down on the left-hand
side of the radiator (photo).
86 Remove the spiral-wire-wound hose
which connects with the injector cooling duct.
87 Pull off the wiring plug, and unbolt and
remove the fan.
Supplementary air valve
88 Disconnect the hoses and wiring plug
from the valve, which is located on the front
face of the engine (photos).
89 Unscrew the mounting bracket screws
and withdraw the valve.
Supplement: Revisions and information on later models 13•71
9C.80A Extracting a fuel injector screw 9C.79 Fan thermostatic switch on
underside of injector cooling air duct (duct
removed for clarity)
9C.85 Fuel injector cooling fan 9C.84 Fuel injector system relay 9C.83 ECU multipin plug
9C.81C Injector wiring plug refitting 9C.81B Fuel injector cooling air duct
refitting
9C.81A Fuel injectors attached to fuel rail 9C.80B Fuel injector removal
13
9C.78 Throttle valve housing support
bracket