Question about 2000 Ford Taurus

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Exhaust pipe glows red.

Replaced Head gaskets to solve overheating problem. Now exhaust pipe glows red.
2000 Taurus 3L V6
Checked and repaired vacuum leaks.
I imagine it could be injector or Exhaust Gas Recirculation problem.

Any suggestions?
Steve,

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  • stevebarber Jun 17, 2009

    tcude1, seems unlikely, it wasn't a problem before the engine was disassembled and the headgaskets replaced.

    warlock61, 12v it is glowing between the exhaust manifolds and the catalytic converter.

    1st I'm trying to get advice for my son, this is his first engine repair.
    I live 180 miles away and can't see for my self that everything is hooked up right. He swears that it is.

    We believe that a coolant system problem (low water) caused the head gasket to leak. The engine finally stopped running.
    He disassembled it had a shop check the heads, and reassembled.

    It seems to run well after tracking down some vacuum leaks. it idles a little high @ 850 or so with little surging during warm up.
    but the exhaust glows within 5 minutes.

    I'm thinking it has to do with fuel mixture. it has the flex fuel system which I don't understand and fuel injection.

    I had it happen before on a 74 Toyota corolla, where the manifold was red hot but it only did it once, after it was shut down and cooled it never happened again.

    I know that in order for this to happen he must have too much Oxygen and too much unburnt fuel.

    What we don't know, is whats causing this condition.
    a blockage seems unlikely.


  • stevebarber Jun 17, 2009

    My son also says he must use a jumper box to start it, so the battery must have crapped out trying to start it before the repair??? so the ECM must keep getting rebooted/ running on low voltage... seems to have forgotten how to regulate the fuel.

  • warlock61
    warlock61 May 11, 2010

    12v or 24v where is it glowing exactly? how does it run?

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  • Expert
  • 299 Answers

Clogged cat converters.

Posted on Jun 17, 2009

  • Tommy Cude Jun 17, 2009

    still sounds like cat not doing its job.have him go to exhaust shop ,they can tap exhuast and check back preasure.

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