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Old 03-26-2017, 12:48 AM   #1
mrking2174
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Join Date: Mar 2017
Location: Sauk Centre
Posts: 1
99 350 Vortec

New member here with a rough running problem.
my 99 Tahoe has been giving my fits for a couple years and no one can help my find a solution to the problem. It has always started great and Idles great. It runs down the road great over 45 MPH but its problem lies in Acceleration. from a dead stop it stumbles just like an old carbed engine with a bad accelerator pump but once its above 35 to 45 it accelerates great.
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