Can a Fuel Pressure Regulator be tested to see if it is working properly? If so where can it be tested at?
Dec 26, 2007 at 9:09 PM
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BLACKOP555
✓Experienced Mechanic
10,386 POSTS
yes it can be tested, there is a port on the fuel rail called a schroeder valve, it looks kinda like a valve core for a tire on the inside, just take off the plastic cap.