5.3 Big power loss
#21
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Where's the Beef?
iTrader: (8)
Joined: Jan 2007
Posts: 9,382
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From: Dover, Oklahoma
i was thinken 3.23's but he said it read as 3.42's. He's gonna look at it tomorrow. We'll make sure it made the right adjustments to the speedo because it was off. He told it the right info tho. I'll see what the glove box says... thats where the code is right?
#22
Originally Posted by 99Silverado5.3
The check engine light may be p300-random missfire, your tuner probably didn't raise the count for missfires up, happened to my 99. No biggy though, just have to see that SES light till you get it fixed.
i forgot to turn his rear 02's off
oh well no biggy though
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GreyChevy
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Jul 7, 2015 08:57 PM






