Question about 1994 Ford Explorer Limited

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Obd 1 code 543. how to fix? 1994 ford explorer limited

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543 Ford Fuel pump secondary circuit faultit's a code for the fuel pump secondary curcuit. you may need a fuel pump relay or a fuel pump. also check the fuel pump shutoff switch. you also didnt mention an issue if any your having because of this

Posted on Nov 16, 2009

  • Brandon Miller
    Brandon Miller Feb 28, 2011

    my book is telling me that code 543 is a Fuel pump monitor circuit shows no power - Power / Fuel Pump Circuits, and that code 95 is a Fuel pump secondary circuit failure.

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Need expert advice On how to fix my 1994 Ford Explorer starting problems. The engine will turn over but car won't start.


Internal combustion engine needs three things to run:
fuel
air
spark

Most "won't start" problems are of the "no spark" or "no fuel" type.
Check for spark. Got spark?
Check for fuel. Fuel pump running? fuel pressure good?

May 28, 2015 | 1994 Ford Explorer Limited

1 Answer

How do i reset the engine light on a 1994 ford explorer 4x4 v-6


To reset the ECU or the car computer, you'll need a diagnosetic and scanner device or the new OBD-I/OBD-II. These devices are use to troubleshoot the automobiles and tells you the problem by codes. If you don't have one of these devices, here is what you do. Remove the neg. or positive battery cable any one of them, then make a spark by touching the cable to the battery pole that you remove until you don't see any spark then put it back. But before you do this make sure the car key is off.

Oct 18, 2011 | 1994 Ford Explorer Limited

3 Answers

Where do you plug in a actron obd scanner ?


The connector is located on the drivers side just above the parking brake pedal.

Hope this helps.

Zeppelinx12

Mar 05, 2011 | 1994 Ford Explorer Limited

1 Answer

Ftrer order diagrame v6 explorer


For the 1994 Ford Explorer 4.0L SOHC V6:

For the 4.0L V6:
Firing Order:

1-4-2-5-3-6
Cylinders:
....(back)....
'..3..'..'..6..'
'..2..'..'..5..'
'..1..'..'..4..'
...(front)
Coil Connections:
....(back)....
'..1...2...3..'
'..5...6...4..'
....(front)

Let me know if this helped....Thanks for using FixYa.com!!!

Oct 07, 2010 | 1994 Ford Explorer Limited

1 Answer

Ford 1994 Explorer. After 20-30 minutes of


yes the egr could be clogged or loosing vaccum check the valve by taking it out or looking to see if the pickup tube on the valve is bad or has a pin hole in it.

Jul 01, 2010 | 1994 Ford Explorer Limited

1 Answer

Need firing order for coil pack, 1994 ford explorer,4.0


V8 or V6

Cyl 1 thru3 or 4 ---front to back --pass side

Cyl 4 thru 6 --or 5 thru 8 in case of V8 --driver side

V6 1-4-2-5-3-6

V8 1-3-7-2-6-5-4-8

Mar 12, 2010 | 1994 Ford Explorer Limited

1 Answer

Where ae the oxygen sensors on a 1994 ford explorer?


Follow your manifolds. You will have 2 on each side before your exhaust splits. 1 will be a 3-4 feet after the manifold on each side and you should have 1 near your converters.

Feb 23, 2010 | 1994 Ford Explorer Limited

1 Answer

Check engine light 97 ford explorer. obd-II po141 bank 1 sensor 2. need to locate sensor


Looked up your OBD II code for your Explorer and got the following: Bank 1 Sensor 1
The possible causes are listed below per Chilton: *same result for all engines available on your vehicle

Trouble Code: P0141 (4.0L V6 VIN E Auto)
HO2S-11 Heater Circuit (Bank 1, Sensor 1) Print this code dataprint_icon_codes.gif
Number of Trips to Set Code: 2
OBD II Monitor Type: CCM Details
Indicators: MIL Details
Trouble Code Conditions:
During testing the heated oxygen sensor (HO2S) heaters are checked for open and short circuits and excessive current draw. The test fails when the current draw exceeds a calibrated limit or an open or short circuit is detected.
Possible Causes:
  • Vacuum hose disconnected on exhaust gas recirculation (EGR) system module (ESM) applications* Short to VPWR in the harness or HO2S
  • Water in the harness connector
  • Open VPWR circuit
  • Open GND circuit
  • Low battery voltage
  • Corrosion or incorrec
The sensors themselves appear in the illustration linked to below. The illustration is for the Ford Ranger but indications are that other models have similar locations. Hope this helps with your problem. Best of luck!
Greg

http://www.chiltonlibrary.com/content/images/8968/images/89684g23.pdf

May 17, 2009 | 1997 Ford Explorer AWD

2 Answers

Is my 1994 ford escort have an obd or obd II


it might but the obdll starts at 96 and up,but there is another conector under the hood on the passenger side for check engine codes.you can buy a ford code reader to do that with there about 50 dollars.if it does have the obdll it should be under the drivers side dash

Jan 12, 2009 | 1994 Ford Escort

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