2003 Chevy Tahoe diagnostic codes

Tiny
RENCHBE
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  • 2003 CHEVROLET TAHOE
Computer problem
2003 Chevy Tahoe V8 Four Wheel Drive Automatic

scan tool reading codes po171 and po174 system lean, what can I check now?
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Wednesday, December 24th, 2008 AT 4:33 PM

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Tiny
DOCFIXIT
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A vacuum leak could cause lean condition but on both banks that's unlikely. Low fuel pressure maybe causing have that checked
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Friday, December 26th, 2008 AT 3:08 PM

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