IntroductionConnection diagram - activated charcoal filter
Note
Fuel tank leak detection takes advantage of the fact that a
vacuum develops naturally in the fuel system as the fuel in the
tank cools. The variables temperature and pressure are necessary
for fuel tank leak detection. The temperature senso ...
Checking fuel pressure
Special tools and workshop equipment required
Removal wedge -3409-
Pressure tester -VAS 6550-
Connector cable -VAS 6550/3-3-
Connector cable -VAS 6550/3-4-
Vehicle diagnostic tester
...
Checking fuel delivery rate, vehicles with four-wheel drive
Special tools and workshop equipment required
Removal wedge -3409-
Remote control for V.A.G. 1348 -V.A.G 1348/3A-
Multimeter e.g. hand-held multimeter -V.A.G 1526E-
Test instrument adapter/DSO (5-pin) -VAS 5565-
...