Fiat 1998 Marea Weekend, Service Manual

Page: 194 / 846

Engine
Fuel system
Marea-Marea
Weekend©^
1998 range
10.
Checkign fuel feed pressure using a tester
Fuel feed pressure can also be checked using
an EXAMINER or SDC station. In this case,
firstly remove the protective bracket as de-
scribed in the previous paragraph, connect
the tester to transducer (2), which must be
connected to the fuel manifold via fitting (1).
Checking fuel consumption
Check fuel consumption as follows:
- remove the protective bracket and disconnect injector supply connector as described in the previous
paragraph on checking fuel feed pressure;
The fuel supply circuit is maintined at a constant pressure of 3 bar even when the engine is off.
Before disconnecting the delivery pipe, therefore, drain off fuel under pressure as described be-
low.
- obtain a suitable container (5) and place pipe (4) inside;
- connect the other end of line (4) to the fuel manifold using a special adaptor 18706844000 (3);
- drain fuel under pressure into container (5);
- disconnect adaptor (3) and fuel manifold pipe (4), then reconnect the injector supply connector;