1. Welcome To GMTruckClub.com!

    The #1 Chevy Truck Forum Online
    Online since 2004, we are the #1 Chevy Truck & SUV forum and user community. If you have any questions about your Chevy or GMC Truck, SUV or Crossover, or just want to connect with other GM owners and enthusiasts around the world, you've found the best place on the internet to do that.

    Join Today ~ It's Free
    Registering is Free and Easy! Hope to see you on the forums soon!

Coil Pack check ?

Discussion in 'General Chevy & GM Tech Questions' started by CWJ_43, Jan 22, 2012.

  1. CWJ_43

    CWJ_43 New Member

    I'm havin trouble with a slight miss under a load ....03 GMC 2500 4x4 6.0 gas, I'm thinkin a coil pack is breakin down on me ..How can I test , or check coil packs ? un plug a sparkplug wire while engine is runing ? and go from there ???

Share This Page