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Old 11-30-2019, 10:52 AM   #40
87chevy.com
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Join Date: Feb 2004
Location: Houston, Texas
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Re: Pre-Start Concerns... Gen 5 sat dormant for 3+ years

Ah.. did the fuel pump prime when you tried to start? If you only have 1 vats, and its disabled, it will not run. It doesn't turn on fuel pump module. (If your using the module). Had to flash a 2014 OS to it that had vats1 and vats2. Fired right up.. I wonder if you could ask your tuner to pull the tune file up and check while your soaking the ports.
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1987 Silverado - L83 5.3 w/ 6L80e ,A/C,P/W,P/L,TILT, HID projectors, Wilwood C-10 Pro Spindles w/ 2018 silverado front brakes & C-5 Corvette Rear Disc Brakes
1999 BMW 528i - 5.7 LS1 w/ 4l60e, Ford 8.8 IRS w31 spline posi & FX-r projector retrofit

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