volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Rules for cleanliness > < Servicing injection unit
Mono Motronic injection and ignition system
Mono-Motronic injection and ignition system
Safety precautions
Warning!
Fuel system is under pressure! Before opening the system place a cloth around the connection. Then release pressure by carefully loosening the connection.

To prevent injuries to persons and/or damage to the fuel injection and ignition system, the following must be noted:

  • ◆ Do not touch or disconnect ignition wiring when the engine is running or being turned at starter speed.
  • ◆ The ignition must be switched off before connecting or disconnecting injection or ignition system wiring or tester cables.
  • ◆ If the engine is to be turned at starter speed, without starting, e.g. when checking compressions, pull plug off Hall sender (distributor).

Rules for cleanliness > < Servicing injection unit