Workshop Manuals Factory service & repair Fiat
01 General information02 Specifications03 Manufacturing data and tolerances04 Tightening torques05 Fluids and lubricants06 Maintenance07 Diagnostic checks08 Engine09 Clutch10 Gearbox and differential11 Axles and driveshafts12 Brakes13 Steering14 Suspension and wheels15 Heating, air conditioning and auxiliary units16 Electrical equipment17 Body fittings18 Body panels and frame19 Wiring diagrams and electrical functions20 Wiring harnesses21 Connectors and pin-outs22 Fault diagnosis23 Special tools
Fiat Grande Punto Factory Service Manual (2005-2012)08 · Engine
08 · Engine

High pressure fuel circuit check

Make
Fiat
Model
Grande Punto Factory Service Manual
Year
2005–2012
Section
Diesel injection system › High pressure fuel circuit check
EngineHigh pressure fuel circuit check

HIGH PRESSURE FUEL CIRCUIT CHECK

Check 1060OD

1.3 Multijet

Disconnect the electrical connections from all the injectors.

Disconnect the fuel recirculation pipes from all the injectors.

Constrict the pipe so that no fuel comes out during the test.

Connect the tester.

Display the "measured diesel pressure" and "engine rpm" parameters on the "Control Unit Test" parameters screen.

Turn the ignition key to the AVV position for 5 seconds and check that the fuel pressure is above 300 bar with the engine speed above 200 rpm.

1.9 Multijet

Disconnect the electrical connections from all the injectors.

1. Disconnect the fuel recirculation pipes from all the injectors.

HIGH PRESSURE FUEL CIRCUIT CHECK

Constrict the pipe so that no fuel comes out during the test.

Connect the tester.

Display the "measured diesel pressure" and "engine rpm" parameters on the "Control Unit Test" parameters screen.

Turn the ignition key to the AVV position for 5 seconds and check that the fuel pressure is above 300 bar with the engine speed above 200 rpm.

Parts & tools for this job For 2005 Fiat Grande Punto

Links open Amazon search results in a new tab. As an Amazon Associate I earn from qualifying purchases.