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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for November 16, 2014
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Open Help Requests for GM
Help Request Answers
2008 Chevrolet Colorado LT 3.7L Evap, O2 monitors VIN: 1GCDT13E18
Having trouble getting O2 or Evap monitor to run, all I need is one more monitor ready for the IEPA emissions test. I first tried by letting the Evap monitor run naturally which runs the first part consistently and also runs the key off portion, I am able to... Trouble codes: P0449 (Evap Vent Solenoid Circuit), P013A, P2270 (B1S2 O2 Sensor signal stuck lean), P2271 (B1S2 O2 Sensor signal stuck rich), P0140 (B1S2 O2 Sensor insuffcient activity), P2271 (B1S2 O2 Sensor signal stuck rich)

Fixes & Summaries for GM
Fix/Summary Answers
2008 Chevrolet Tahoe LTZ 5.3L Instrument cluster VIN: 1GNFK13018
unfortunately customer was not interested in trying to replace a $ 1400 nav unit to get her dash lights to work. Bummer i couldn't fix this for her but it seemed to be an odd issue that a expensive component needed to be tried . Really weird if yellow led...
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