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Thread: Coil Pack check ?
01-22-2012, 12:58 PM #1
- Join Date
- Jan 2012
Coil Pack check ?
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 ???
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