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    Yukon XL 2500-- ECM Issue

    2011 Yukon XL 2500, 6.0l, L96 with an E38 ECM. Oil pressure gauge has been ping ponging 0 to 80 to 0. Oil isn't overfilled and the sending unit was replaced twice. My current understanding is the recent diagnostics show with the electronics on but engine not running the ECM is receiving or...
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    E38 ECM- Voltage / Gauge Issue

    2011 Yukon XL 2500, 6.0l, L96 with an E38 ECM. Oil pressure gauge has been ping ponging 0 to 80 to 0. Oil isn't overfilled and the sending unit was replaced twice. My current understanding is the recent diagnostics show with the electronics on but engine not running the ECM is receiving or...
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    Debadged!

    Chrome is out! Have black GMC for grille and gate— trying to decide what to do on the sides?
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    DFW Newb-- 2011 Yukon XL 2500

    Another newbie from DFW! Bought my first non-truck two weeks ago (previously owned 1993 S10 ZR2, 2001 1500 Z71 and most recently 2015 Midnight Edition Z71 LTZ). Growing family has dictated some changes and since the Midnight was paid off it got traded for a new SUV for the wife, I'm now...

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