Thread: 1999 silverado
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Old 02-23-2013, 11:59 AM   #1
j.kirn
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Join Date: Jun 2006
Location: MO.
Posts: 970
1999 silverado

6.0 i just power progamed the engine and when i mash the pedal to the floor it stumbles. myy question is what is causing the stumble. its almost like it isnt getting enough gas or air upon hard acceleration
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