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I finally got it to throw a code P0107, low power to MAP. I'm thinking I should either have a short or a bad PCM.

Tested... it appears that I am not getting 5 volts from the PCM to the sensor. The ground is good. I am suspecting maybe a short to ground?

Hi everyone, I'm not a noob, and been using HP tuners for a few years to dial in my 5.3L '02 Tahoe and my dads '03 corvette. Mostly tweaking the timing maps on both vehicles and the transmission...

Well I've finally taken the plunge in trying to learn about tuning. I've built a few Chevy small blocks and raced karts and built those engines as a kid so I have some experience with tinkerin' and...