FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Fuel System Pressure, Checking






Operation number: 23811

Fuel system pressure, checking

Note! Some variation in the illustrations may occur, but the essential information is always correct.






For vehicles with demand controlled fuel pumps. See: Diagnostics/Vehicle communication/Quick test.






Attach the following items:
- 999 5011 MANOMETER 999 5011 Manometer
- 998 9725 Adapter 998 9725 Adapter
- 981 2270 PUMP TROLLEY 981 2270 Pump Trolley
- 981 2273 PUMP 981 2273 Pump
- 981 2282 Tank 981 2282 Tank
Remove the cover (1).

Attach the following items:
- 999 7268 Adapter 999 7268 Adapter
- the screw (2), tighten
Release the valve with the screw (3).

Start the engine and check the fuel pressure.
The fuel pressure must be approximately 380 kPa ±30. The pressure can however rise to 420 kPa within a few minutes after start.

Switch off the engine and check the residual pressure.