Fuel Injection System - LUCAS/BOSCH "P": Adjustments: Ecu

No attempt should be made to drill out the tamper proof plug that covers the ECU adjusting screw. Damage to the internal circuitry will result if a drill is used. Plug must be pried out using a hooked probe or stiff wire.

A special adjusting tool (60 730551) is required for making the necessary feedback adjustments after a replacing an ECU. This tool must be used to prevent damage to the internal circuitry of the ECU.