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Thread: Check EGR

  1. #1

    Array
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    03-29-2011
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    363
    Location

    Payette, ID
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    1991 Dodge Ram 50
    Engine

    4G64

    Check EGR

    So probably most of you guys with more than 200,000 miles on your rig probably notice the check EGR light. I found something out, when I was changing my odometer from my old cluster to my sport cluster (so It would say 208,xxx miles instead of 225,xxx miles that the sport odo said) I noticed the wires from the EGR switch run to the odometer, and there is another switch inside of the odometer that is turned on by a gear with a cam on it. So the check EGR light is mileage dependent, it doesn't mean anything is wrong with with your truck. I thought that was pretty neat and wanted to share it.

  2. #2



    Array
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    03-26-2011
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    1,512
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    Vacaville, CA
    Vehicle

    1989 Mitsubishi Mighty Max
    Engine

    4G63-T
    You mean check engine light im assuming as there is not check egr light. But yes the maintenance light is activiated by mileage, to tell you its time to do a tune-up and change timing belts/water pump, stuff like that
    Josh
    09 BMW 335i E92 Twin turbo
    89 Macrocab 4g63 Turbo swapped & Bagged: Build Thread

  3. #3

    Array
    Status
    Offline
    Join Date
    03-29-2011
    Posts
    363
    Location

    Payette, ID
    Vehicle

    1991 Dodge Ram 50
    Engine

    4G64
    Oh, my 87 has a light that says "Check EGR" I don't know if it is different on different years?

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