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  1. DTC's, Problems & Troubleshooting
    Hey folks, I've been browsing the forums for a while and have learned a lot. I currently have a p0171 code on a 2001 Impala LS with the 3800 series II engine. Background: About 8 months ago my car would start bucking at high-way speeds. It was pretty scary stuff. I would be accelerating...
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