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  1. P

    P0174 P0171 Reduced Power

    i have a 04 Tahoe 5.3 AWD that has gone into reduced power mode probably 4 or 5 times in the last 1000 miles, it did it tonight and had codes 0174 0171 and 1516, the other day it had p0171 and p0174 while just idling but never went into reduced power, it seems everytime its lost power it has...
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    Adding new muffler

    I'm getting ready to install a new muffler and trying to decide what to get, the truck has a single in dual out if I buy a muffler with dual out with it all slide together or will it take some custom work (I guess my question is are the location and spacing of the dual outs the same?)
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    Help with cam for a tahoe

    If I go with that 2.12/2.18 will that have a pretty good increase in power? And for intake and exhaust is a cai and new muffler sufficient or does it need more?
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    Help with cam for a tahoe

    I've got a 04 awd tahoe that I'm wanting to do a cam in I've searched so much I confused myself. What if I do a 2.12/2.18 do I have to get it tuned? Would a 6.0 cam make a difference? Idk which way to go, it is a daily driver and pulls a car trailer occasionally so need it be good all around...

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