RS 4 Quattro Cabriolet V8-4.2L (BNS) (2008)
Fuel Pressure: Testing and Inspection
Fuel Pump Delivery Quantity, Checking
Fuel Pump Delivery Quantity, Checking
Special tools, testers and auxiliary items required
-
Hand held remote control (jumper).
-
Electrical connector test lead set.
-
Fuel pressure test set (high pressure).
-
Measuring container, fuel-resistant.
Test conditions
-
Battery voltage min. 12.5 V.
-
Fuel filter OK.
-
Fuse S228 (position 28) OK.
-
Fuel Pump (FP) Control Module J538 OK.
-
Fuel tank at least 1 / 4 filled.
-
Ignition switched off.
Test procedure
-
Perform a preliminary check to verify the customers complaint. See: Computers and Control Systems/Testing and Inspection/Initial Inspection
and Diagnostic Overview/General Diagnosis.
Start diagnosis
-
Remove the rear seat bench.
-
Remove the screws - arrows - and the right locking flange.
-
Remove the wiring harness and the electrical harness connector - arrow - from locking flange opening and position aside.