TT Quattro Roadster V6-3.2L (BHE) (2005)
Fuel Pressure: Testing and Inspection
System Pressure, Fuel Pressure Regulator and Holding Pressure, Checking
Fuel System Pressure, Pressure Regulator And Holding Pressure, Checking
NOTE: The fuel pressure regulator regulates the fuel pressure according to the intake manifold pressure. The pressure drop at the injectors remains
constant for each engine speed and load range.
Special tools and equipment required
-
Pressure gauge V.A.G 1318
-
Adapter set V.A.G 1318/17
-
Hose clamp pliers V.A.G 1921
Requirements
-
Fuel pump relay OK
-
Fuel pump OK; checking
-
Fuel filter OK
-
Battery voltage at least 12.7 V
Checking system pressure
-
Briefly open fuel tank filler cap (to release pressure).