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catalytic converter HELP! please

Discussion in '4 Cylinder' started by rs50fox, Jul 4, 2010.

  1. Jul 4, 2010 at 12:18 AM
    #1
    rs50fox

    rs50fox [OP] Active Member

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    So a few days ago I had a shop weld my magnaflow muffler on I drove around a bit. Then got home looking under my truck to take another look at the welds and I see the 1st cat glowing red close to the back is what it looked like to me. I dont know if it did this before the magnaflw muffler or not. My check engine light is not on and I used a scan tool and eveything thing seemed normal according to the snap on modis.

    another question I have has anyone ever check the temp of thier catalytic converter?

    thanks for any help or tips
     
  2. Jul 4, 2010 at 7:05 AM
    #2
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    FlimFlubberJAM
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    Cats run very hot. THats their job. For them to glow red, is not un common.
     
  3. Jul 6, 2010 at 6:18 AM
    #3
    tacosuprem

    tacosuprem Well-Known Member

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    clogged
     
  4. Jul 6, 2010 at 9:42 AM
    #4
    JDCPA

    JDCPA Well-Known Member

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    The check engine light would be on if it was clogged due to the reduced backpresure.

    Catalytic converters have to reach a very high operating temperature to activate the platinum used as the catalyst. It is not uncommon for a truck idling in high grass to start a fire.

    Be careful in dry conditions.
     
  5. Jul 6, 2010 at 9:55 AM
    #5
    flightcancled

    flightcancled Addicted

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    There is supposed to be a heat sheild on it. If not it was likely removed since it started buzzing. (happened to me in my last 2 vehicles)
     
  6. Jul 16, 2010 at 7:39 PM
    #6
    rs50fox

    rs50fox [OP] Active Member

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    thanks, it seems to do it most when I get on it for awhile or when the heat or a/c on. anyone ever look at thier 1st cat after a long drive?
     
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