Cold Start Injector: Volkswagen
- Connect fuel gauge to fuel ring on top of cold start injector. Briefly operate starter until fuel pressure is present. Disconnect electrical connector from injector and using 2 jumper wires, apply battery power to injector. Fuel pressure should drop slowly. If not, replace cold start injector.
- Remove fuel gauge from injector and reconnect fuel line. Remove cold start injector from intake manifold with fuel line connected. Disconnect electrical connectors from injector and No. 1 terminal on ignition coil. Operate starter. Injector should not leak. If injector leaks, replace cold start injector.