thanks lots for your answer. I have this mechamic telling me that you should not have 13.26 volts to the fuel pump and i started to think mabe too much volts is making the fuel pump get warm and not w


Asked by Sep 10, 2016 at 10:37 PM about the 1998 Buick LeSabre Limited

Question type: Maintenance & Repair

work properly seeing how he changed the whole unit out and car still does not run properly. wants me to send it to a wire tec. why does the pressure drop to 22lbs after engine warms up . but don't do it all the time. also some times will not start not enough fuel pressure. then when it cools down most of the time goes back to normal...

2 Answers


Sounds like the fuel pressure regulator. HTH. -Jim


Thanks for your answer really good call I should have said we replaced that already.

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