1992 Ford Taurus MIL and No-Start

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VERNON CRAIG
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  • 2 POSTS
I have a 92 Taurus, The M.I.L. Light stays on all the time the Engine runs. The Engine has got to the point it will die at different times. some times when it quits running it will not start until the M.I.L lightcomes back on some tiimes I may have to turn the igniition switch off and on 10 -15 times before the Mil light will come on agaig. However when the M.I.L. light comes on then the fuel pump will cut on and the engine will start. I havwe installed a new igniition switch and a E.G.R valve and a new Fuel Pump. I am Stuck onthis one.
Vernon
Jul 7, 2006 at 5:01 PM
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VERNON CRAIG
  • MEMBER
  • 2 POSTS
[quote="Vernon Craig"]I have a 92 Taurus, The M.I.L. Light stays on all the time the Engine runs. The Engine has got to the point it will die at different times. some times when it quits running it will not start until the M.I.L lightcomes back on some tiimes I may have to turn the igniition switch off and on 10 -15 times before the Mil light will come on agaig. However when the M.I.L. light comes on then the fuel pump will cut on and the engine will start. I havwe installed a new igniition switch and a E.G.R valve and a new Fuel Pump. I am Stuck on tone.
My e-mail is vcraig@va.net

Thanks Vernon
Jul 7, 2006 at 5:49 PM
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TAURUSWHEEL
  • ✓Experienced Mechanic
  • 718 POSTS
First thing is to go get yourself a code reader for your car which has capability to read Ford eec4, obdI system.. they cost around 30 bucks... learn to use it, simple, and then you can get the codes from your system, which will give you a place to start looking for answers, your problems may or may not be related.. there is a module on the rad sight shield that has relays for the pump and others, it is controlled by the pcm,, I'm assuming since you haven't mentioned any codes, you didn't have that done yet, you need to do that... don't replace parts in a shot-in-the-dark manner, wastes money and time
Jul 7, 2006 at 11:30 PM

Suggested Repair

Scan the Ford EEC-IV OBD-I system for codes before replacing more parts. Also inspect the relay module on the radiator sight shield, which controls the fuel pump and is commanded by the PCM.

Conversation Summary

The owner of a 1992 Ford Taurus reports that the MIL stays on while the engine runs, the engine dies intermittently, and it sometimes will not restart until the ignition is cycled enough times for the MIL to return and the fuel pump to prime. A new ignition switch, EGR valve, and fuel pump did not fix it. The expert advises reading EEC-IV codes and checking the PCM-controlled relay module rather than replacing parts at random.

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