volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Checking injection quantity, engine codes BSE, BSF, CCSA, CMXA > < Checking injectors for leaks, engine codes BSE, BSF, CCSA, CMXA
Checking quantity injected, engine code BGU
Checking quantity injected, engine code BGU
l  The fuel pressure must be in order, checking → Chapter.
l  Intake manifold lower part removed.
l  Injectors installed in fuel rail and fuel line connected.
–  Insert injector to be checked into measuring beaker from injection rate tester -V.A.G 1602-.
–  Pull fuse SB 33 out of socket F 33 of fuse holder.
   
–  Connect right terminal of fuse socket F33 and battery positive with auxiliary cable from auxiliary measuring set -V.A.G 1594 C- so that fuel pump runs.
  N20-10015
–  Connect a contact of injector to be tested to engine earth using auxiliary cables from auxiliary measuring set -V.A.G 1594 C-.
–  Connect second injector contact to remote control -V.A.G 1348/3 A- using adapter cable -V.A.G 1348/3 - 2-.
–  Connect crocodile clip to battery (+).
–  Operate remote control -V.A.G 1348/3 A- for 30 seconds.
–  Repeat check on other injectors. Use new measuring beakers.
–  After all injectors have been activated, place measuring beakers on a level surface and compare the quantity injected. Specification: 85…105 ml per injector
When testing the injection quantity, check the spray pattern as well. The spray patterns must be the same for all injectors.
If the measured values of one or more injectors are above or below the prescribed specifications:
–  Renew defective injector → Chapter.
  Note
After replacing components of injection system, erase learnt values in engine control unit → vehicle diagnosis tester “Guided fault finding”.
  A24-0079

Checking injection quantity, engine codes BSE, BSF, CCSA, CMXA > < Checking injectors for leaks, engine codes BSE, BSF, CCSA, CMXA