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2004 Ford Escape Question: cat converter

 

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Visitor, 3.0L V6, Orchard Park, NY, October 03, 2010, 17:03

$900 to replace supposed plugged glowing red barley running cat.Ran good for two days.Back to same with loud air sound.Shop has had car for a week and can't figure it out.Thanks

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  • Answer #1

    Bret Bodas from RepairPal Test Shop, October 03, 2010, 17:18
     Master

    The cat was glowing red because the air fuel mixture was likely incorrect. If that problem was not addressed then putting on a new cat will not fix the problem, and the new cat will be damaged as well. I suggest you talk to the owner/manager of the shop and insist that they either get this addressed or you need to take it elsewhere and wish to have a refund if the other shop finds their work to be incorrect. Hold them accountable for their work!
    Here's some related info: http://repairpal.com/blog/catalytic-converters-dont-usually-die-theyre-killed

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  • Answer #2

    precision tune auto care from Precision Tune Auto Care, October 03, 2010, 17:20
     Enthusiast

    The car is using to much fuel and is burning it in the cat . It may have a bad fuel regulator .

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  • Answer #3

    October 03, 2010, 17:43
    Profile_thumbnail
     Master

    As Bret very well said. The red hot. glowing catalytic converter was only a symptom, not the cause - which they should have repaired. This way they should replace a converter after every ignition cycle because the problem is still there.
    I bet there is a fuel trim code also in the ECM.
    Needs more diagnostics, check compression in all the cylinders, ignition and fuel systems too. It could be caused by several different faults, like a stuck open injector, incorrect, missing ignition, etc....

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