Car won't keep fuel pressure

Asked by Apr 13, 2016 at 10:55 PM about the 1988 Ford Thunderbird Turbo

Question type: Maintenance & Repair

1988 for Thunderbird turbo coupe won't keep any
fuel pressure. I have to prime it, then it will run for
about ten minutes, then die. Then I have to wait a
couple hours then redo the process. Already
replaced the fuel pump, cleaned the fuel lines, and
replaced the fuel pressure regulator. Any
suggestions?

1 Answer

10,635

Locate the EEC IV test port connector under the hood (near the battery) it should have a cover on it remove the cover the top has 2 ports, run a jumper wire from the bottom right port there are 4 ports "A" is the fuel pump ground port connect a test light jumper from "A" port to the positive side of battery this will energize the fuel pump until its removed. Start the car and check to make its not a fuel pump circuit problem shutting down the pump.

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