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Re: NO Vacuum at Pressure Regulator, 1990 Dakota TBI
Posted to Technical Discussion Forum on 5/11/2005

The " vacuum " hose you see going to the fuel pressure regulator does not ever get any vacuum to it on this TBI system. If you follow the port inside the throttle body you will see it connects above the throttle plates.

This "vacuum" hose confuses lots of te... Login to read more.