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PO171 only
My 2001 Tahoe with the 5.3 (non-flex) is giving only the PO171. All new O2 sensors Sprayed carb cleaner on all vacuum lines and intake manifold gaskets, no change to idle Squirted water on all intake manifold gaskets, no change to idle. Since there was no PO174, I don't think its a...- Silverback2w2
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- po171
- Replies: 1
- Forum: Engine & Drivetrain
