fuel pressure regulators differences

CTDiesel at aol.com CTDiesel at aol.com
Sun Dec 29 12:08:41 EST 2002

What the difference in a Differential pressure regulator(electrical
controlled) and a Fuel pressure regulator(vacuum controlled) in terms of what
do they do?   I cant tell on my car whether to replace the diff. pr or the
fuel pr.  Is there a way of knowing which is bad without a 130 bill from the


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