TT Coupe L4-1.8L Turbo (ATC) (2001)
Fuel Pressure: Testing and Inspection
System Pressure, Fuel Pressure Regulator and Residual Pressure, Checking
Special tools and equipment
-
VAG 13/8
-
VAG 1318/7
-
VAG 1318/17 (2x)
NOTE: Fuel pressure regulator regulates fuel pressure according to intake manifold pressure. This ensures that the pressure drop at the fuel injectors
remains the same for each speed and load range of the engine.
Test conditions
-
Fuel Pump (FP) OK, checking See: Powertrain Management/Fuel Delivery and Air Induction/Fuel Pump/Fuel Pump Relay/Testing and Inspection
-
Fuel Pump (FP) OK, checking.
-
Fuel filter OK
-
Battery voltage at least 11 V
WARNING!
The fuel system is under pressure. When opening the system, place a rag around connections then release pressure by carefully prying open
connection
Checking system pressure
-
Open fuel filler flap briefly (release pressure).