COLORADO TROUBLE

  • Tiny
  • Shifter
  • 2006 CHEVROLET COLORADO
  • 4 CYL
  • 2WD
  • MANUAL
  • 86,000 MILES

2006 Colorado 2.8 code P0171. Changed the upstream O2 - MAF and put in new plugs also cleaned the throttle body. No vacumm leaks that can be found. The VVT solenoid moves with voltage- timing and other PID's move with throttle according to Scantool data file. Any ideas?

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Friday, December 3rd, 2010 AT 2:41 PM

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  • Tiny
  • Jacobandnickolas
  • EXPERT
  • 68,402 POSTS

Have you checked for wiring issues to the O2 sensor?

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Friday, December 3rd, 2010 AT 2:46 PM

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