Cold Start Injector: Testing and Inspection

REMOVING AND INSTALLING COLD START VALVE

Removing and Installing:





- Pull off plug (1).
- Disconnect fuel line (2).
- Unscrew screws.
- Take off cold start valve.

Installation Note:





- Check code number (1).
- Replace seal (2).

Checking:
- Unscrew cold start valve on intake manifold.
- Fuel line remains connected.

Checking - L-Jetronic - E 30:





- Unscrew cold start valve on intake manifold.
- Fuel line remains connected.
- Pull off fuel pump relay (1).
- Bridge terminals 87b and 30 with Special Tool 6 13 050.
- Fuel pump runs.

Leak Test:





- Check permissible leak rate.

Checking Fuel Flow Rate and Spray Angle:





- Hold cold Start valve in measuring glass 1 33 020.
- Plug Jetronic test lead 6 11 440 on cold start valve and connect with B + and B -.
- Check fuel flow rate and spray angle (1).