My 1990 Thunderbird wouldn't start so we put a fuel pump on and it wouldn't shut off so we bought a fuel pressure regulator put it on fuel pump keeps running and the car still want start and run unles

Asked by Sep 01, 2013 at 06:51 PM about the 1990 Ford Thunderbird

Question type: Maintenance & Repair

2 Answers

22,585

Have you checked the fuel pump relay?

2 out of 2 people think this is helpful.

http://easyautodiagnostics.com/ford/relays/fuel_pump/testing_bad_relay_1.p hp

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