RS 4 Quattro Cabriolet V8-4.2L (BNS) (2008)
Checking internal resistance
-
Using a multimeter, check terminals 1 to 2 of the Fuel Injector to be tested for resistance.
Specified value: 1.3 to 5.0 ohms (at approx. 20° C)
If the specified value was not obtained:
-
Replace the faulty Fuel Injector Fuel Injection and Ignition Repair Information.
If the specified value was obtained:
Checking activation
-
Connect a diode test lamp (12V) to the Fuel Injector electrical harness connector terminals 1 and 2 of the Fuel Injector to be tested.