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Re: 2003 Trailblazer 4.2 with a DTC P1271
Hi James, Not the same DTC, but SMU 03-06-04-031 (doc
#1341944) has info related to similar problems on this
model. I just happened to recall having seen that SMU
recently, so took a peek to see just in case it might
provide any clues. ![]()
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