R8 Quattro Coupe V10-5.2L (BUJ) (2010)
Specified value: 450 to 1000 ohms.
If the specified value was not obtained:
-
Replace the High Pressure Fuel Pump. Refer to appropriate repair information.
If the specified value was obtained:
Checking voltage
Switch the ignition on.
-
Using a Multimeter, check the Fuel Metering Valve 2 (N402) electrical harness connector terminal 1 to Ground (GND) for voltage.
-
Switch the ignition off.
Specified value: battery voltage.
If the specified value was not obtained:
-
Check the wiring from the Fuel Metering Valve 2 (N402) electrical harness connector terminal 1 to the Motronic Engine Control Module (ECM)
Power Supply Relay (J271) terminal 2/30 for a short circuit to Ground (GND), or an open circuit.
-
Check the electrical harness connector for damage, corrosion, lose or broken terminals.
-
If necessary, repair the wiring connection.
If no malfunctions are found in the wiring: