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service stability
I recently bought an 04 Yukon, 5.3 flex fuel HD edition. The service stability message comes on at start and I am not really familiar with the stabilitrax setup yet (others have always been 4x4 trucks w/ regular setup). It also has the engine light on, with codes P0171 & P0174 lean both banks...- cowboy560
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- Forum: Engine & Drivetrain
