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Throwing Codes P0300, P0174, P0151

Throwing Codes P0300, P0174, P0151

Postby 05gmcsierra [OP] » Jan 22 2013, 8:41pm

Just got my truck back from the shop not even 2 weeks (replaced damaged heads and oil pump) and it is throwing codes: p0300, p0174, and p0151.

P0300- random misfire(plug or coil pack, MAF sensor)
p0174- Lean Bank 2 (guessing O2 sensor)
p0151- o2 sensor Bank 2 (guessing bank 2 O2 sensor)

Anybody else have this problem before I shell out another $2K on fixing this truck?
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Re: Throwing Codes P0300, P0174, P0151

Postby ASTE25 » Jan 22 2013, 10:41pm

Sounds like a vacuum leak could be the problem.
Jordan
2013 Blue Granite Metalic Silverado 2500HD Z71 4X4 extended cab regular bed
6.6L Duramax/Allison 6 speed
Line-X premium over the rail (black)
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