• Tiny
  • Jenniferv444
  • 1992 Ford Explorer

When started it runs rough also I can be driving down the high way doing 65 and all of the sudden it loses power I can step on the gas and no go.

Rough running at start, when driving it loses power it step on gas it does nothing the speed drops at times pressing the gas peddle does nothing at all this is not constant either, sometimes when I am losing speed I can step on gas and it will I guess grab and will gain speed again but it doesn't last long,

Theres been times when it wouldn't go at all but yet it stays running? I have had it on several code readers and each one comes up with something different, we have replaced the throttle body sensor, the oxygen sensor, to no avail it still starts rough like it's missing, also it seems to act up more on warm days and when I travel out of town.

Sunday, July 15th, 2012 AT 6:56 PM

1 Answer

  • Tiny
  • Jacobandnickolas
  • Expert
  • 68,305 posts

Check fuel pump pressure. It sounds like a weak pump.

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Sunday, July 15th, 2012 AT 7:03 PM

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