Focus 9 Technologys Solid-State DME Relay Pump-Prime for early Porsche 944 and other models - видео

The Pump-Prime version automatically runs the fuel pump for about 3 seconds once the ignition is switched to the On position. This is a common feature on many vehicles including the Porsche 914 and Corvette. The purpose is to purge any residual air in the fuel line and in doing so optimize fuel pressure before the DME fires the injectors on start up. For the drivers that just like to hear the faint sound of the fuel pump running to let them know both the relay and fuel pump are working. Pump-P...
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