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Thread: egr valve testing

  1. 03-08-2012, 16:47 #1
    lvallati
    lvallati is offline Newbie
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    Default egr valve testing

    I'm wondering if anyone can help me out on testing the egr valve for a 2003 6.6 Duramax.
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  2. 03-09-2012, 12:11 #2
    More Power's Avatar
    More Power
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    Generally, if a problem exists with the LB7 EGR valve, a MAF trouble code will appear. Do you suspect a problem with the valve? What are the symptoms?

    Jim

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