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Posted by Shawn Fogg on July 17, 2000 at 08:43:27:

In Reply to: Re: 1.9l fuel pressure? posted by FredR on July 16, 2000 at 22:26:38:

The fuel pressure regulator adjusts fuel pressure based on manifold vacuum. As you open the throttle more (lowering manifold vacuum) the fuel pressure will increase to stay a fixed amount over manifold vacuum.

Shawn

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