Originally Posted by
slofut
Give us some actual numbers. What is your fuel pressure at idle, what is is under load and driving, and what is it when you switch off the car. And yes, the car will barely run without the in tank pre-pump working. If it's running but you haven't pulled it out and visually inspected the sock, the pressure hose and the connections you can't make an assessment of it's condition. This is very likely your culprit. My 88 now has a single hi pressure in tank pump and never been better.
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