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Cold Start Injector: Volkswagen

  1. 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. Using 2 jumper wires, apply battery power to injector. Fuel pressure should drop slowly. If not, replace cold start injector.
  2. 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.
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