93 Lx 2.3 5 Speed Foxbody

Discussion in '2.3L (N/A & Turbo) Tech' started by Icebreaker, Mar 4, 2014.


  1. Icebreaker

    Icebreaker New Member

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    Ok so the problem is after u run it awhile and then shut it off the car won't start right back up but runs and drives just fine but as soon as I shut it off it won't immediately fire right back up I have changed fuel pump filter coil packs plugs wires but still does it what do u think is causing my problems I'm also getting orange spark instead of blue so any ideas
     
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  2. 91TwighlightGT

    91TwighlightGT Active Member

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    Pull codes.
     
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  3. Icebreaker

    Icebreaker New Member

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    I have to Jerry rig it to pull the code from it write down go many times the check engine light flashes and what not then look it up online
     
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  4. tealtiger93

    tealtiger93 Member

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    It would probably be worth spending the money on a code scanner before buying more parts that may not fix the problem. My $30 code scanner came with a book listing the meaning of each code.
     
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  5. Icebreaker

    Icebreaker New Member

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    Where can I get one at ?
     
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  6. fess40

    Founding Member

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    Most parts stores have them in stock.
     
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  7. tealtiger93

    tealtiger93 Member

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    Yea I got mine at Advance Auto Parts.
     
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  8. cadams155

    cadams155 Member

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    Next time it happens, leave the door open, turn the ignition to on/run, and listen for the hum of the fuel pump. If the pump doesn't run, replace the relay, I think its under the driver seat
     
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  9. 91TwighlightGT

    91TwighlightGT Active Member

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    Fuel pump relay is part of the IRCM on the 91-93 model 2.3l Mustang. Without DTC's we are ****ing in the wind as far as a diagnosis.
     
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  10. cadams155

    cadams155 Member

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    Very true.
     
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  11. tealtiger93

    tealtiger93 Member

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    FWIW the IRCM is about $90 from Rock Auto and real easy to replace.
     
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