Checks On Fuel Feed Circuit; Checking Fuel Feed Pressure - Fiat 1998 Marea Service Manual

Marea-Marea
1998 range

CHECKS ON FUEL FEED CIRCUIT

NOTE Device 1860955000 is fitted with adaptors for connection to different types of injection system.
Fit the appropriate adaptors before making the connections.
start the engine and check that the pressure gauge reading is stable at 3 bar ± 0.2 bar when idling,
then turn off the engine;
operate the fuel pump with the engine off using a tester. Select fuel pump test when in active test
mode;
the pressure gauge should show a pressure increase of up to 4 bars,
disconnect device 1860955000 from fuel manifold and refit bracket (1).
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Checking fuel feed pressure

Proceed as follows to check fuel feed pres-
sure:
- undo retaining nuts indicated by arrows
and remove bracket (1);
- disconnect injector supply connector (2);
- arrange cock (4) of tool 1860955000 in
open position and cocks (5) and (6) in
closed position;
- position device 1860955000 and connect to
the fuel manifold by means of special adap-
tor 18706844000 (3) then reconnect injec-
tor supply connector (2);
Engine
Fuel system
10.
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