I have a 1994 ninety-eight regency. Car will shut off while driving, sometimes it turns back on after I wait for a few minutes, other times it won't start again. I have replaced the gas tank, fuel filter and lines. Nothing seems to have done the trick. Something is cutting the power to the fuel pump and I can't figure it out.
The fuel pump gets power from the pump relay on startup, then from the oil pressure switch when the engine is running. You could try a jumper to the relay to bypass the pressure switch to confirm the problem. The design is to prevent a fire in a wreck.
SOURCE: Car shuts off while driving, but will immediately restart.
that happened to me and I solved the problem by replacing the computer. It cost me $40.00 out of a junk yard and it has been running perfect ever since.
Without a scan tool bridge the pins,turn key to on,not start and count the 'service engine soon' blinks to retrieve the codes.Good luck!
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