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Why does the fuel pump on 1993 ranger not shut off when switch is in on position

Fuel pump will not shut off.i changed fuel pump,fuel filter & fuel pressure regulstor and it didn't help

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  • Cars & Trucks Master
  • 14,333 Answers

The Fuel Pump Relay is located: Under hood, driver side, front side of shock tower, rear of battery, mounted in fuse/relay box

Posted on Nov 08, 2014

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Posted on Jan 02, 2017

SOURCE: 86 ford ranger

its under the carpet on the passanger side at the firewall

Posted on Jul 21, 2008

  • 9 Answers

SOURCE: 1992 ford ranger

If this speratic problem seams to happen most when it's raining or damp, it is a shorting master contol that is to blame. The master control mother board is located on the firewall. Over time, the moisture seal on the cover fails and the motherboard gets damp and meny false signals are sent. This can even happen if the truck is off and key is not in the ignition (this mother board will alwas have power going to it as long as the battery is connected). A cheap way to check this is to remove the cover, put a plastic grocery bag over the mother board and use an small elastic band to close the open end, allow the wires connected to the mother board to go out the open end. If this solves the problem, replace the seals on the master control cover. Care should be taken as if there is ANY corrossion on the mother board, it will need to be replaced.

Posted on Oct 28, 2008

  • 110 Answers

SOURCE: Jeep Cherokee Sport 1993 stalls after start up fuel pump issues

good morning to you and welcome to fixya.com. hope we can get you fixed here. just a couple of questions first? have you changed the fuel pump yet? if so where did you buy the pump from? your pump is actually building up to much resistence and is unable to overcome it in turn no power is getting to pump as needed. i have a grand cherokee with 230k so i love hearing that you have that many miles. lets keep you rolling. let me know and ill help you out.

Posted on Mar 07, 2009

  • 136 Answers

SOURCE: Ranger fuel problem

There is a fuel cutoff switch on the passengerside floorboard, towards the right kick pannel, there will be a little red button on top of it, check to see if that is tripped, also when you turn the key to the on position listen to see if you hear the fuel pump prime up, just a short buzzing noise from the underside of the cab, if you dont hear it, that is a good indicator that your fuel pump maybe bad, i would also check the pressure at the fuel rail, chrome or black colored bar located near the fuel injectors.

Posted on May 05, 2009

  • 107 Answers

SOURCE: 1995 pontiac bonneville SE 3800 engine Vin K.

fuel filter

Posted on Jul 20, 2009

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Ranger fuel problem


There is a fuel cutoff switch on the passengerside floorboard, towards the right kick pannel, there will be a little red button on top of it, check to see if that is tripped, also when you turn the key to the on position listen to see if you hear the fuel pump prime up, just a short buzzing noise from the underside of the cab, if you dont hear it, that is a good indicator that your fuel pump maybe bad, i would also check the pressure at the fuel rail, chrome or black colored bar located near the fuel injectors.

May 05, 2009 | 1993 Ford Ranger SuperCab

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No fuel


You may have put the filter on backwards. If you did I might have ruined the fuel pump. Whether or not you did, test the wires that run to the pump. If they are getting power, you need to replace the pump. If not, start checking fuses and relays.

Dec 14, 2008 | 1992 Ford Ranger

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