Renault F4R - Page 508

13A-8
FUEL SUPPLY
Fuel pressure: check
F4R or K4M
13A
II - TEST OPERATION
a Disconnect fuel supply pipe union on the injector rail.
a Connect:
-the pipe fitted with a test pressure gauge (Mot.
1311-01) (1) , with the « T » union (Mot. 1311-08)
(2) ,
-the « T » union to the injector rail,
-the injector rail fuel supply union to the « T » union
(Mot. 1311-08) (Mot. 1311-08).
a Disconnect fuel supply pipe union on the injector rail.
a Unclip the fuel pipe from the right-hand suspended
engine mounting.
a Connect:
-the pipe fitted with a test pressure gauge (Mot.
1311-01) (1) , with the « T » union (Mot. 1311-08)
(2) ,
- the « T » union (Mot. 1311-08) to the injector rail,
- the injector rail fuel supply union to the « T » union
(Mot. 1311-08).
a Start the engine.
a Record the pressure; this should be constant at 3.5
bar.
a Switch off the engine.
a Start the engine.
a Record the pressure; this should be constant at 3.5
bar.
a Switch off the engine.
F4R
137773
K4M
137774
Note:
It may take a few seconds to obtain a correct
injector rail pressure reading.