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Thread: Check EGR

  1. #1

    Array
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    Join Date
    03-29-2011
    Posts
    352
    Location

    Payette, ID
    Vehicle

    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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    Offline
    Join Date
    03-26-2011
    Posts
    1,507
    Location

    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

  3. #3

    Array
    Status
    Offline
    Join Date
    03-29-2011
    Posts
    352
    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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