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Old 11-30-2009
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P1131 Need Some Help

P1131 Lack of Upstream Heated Oxygen Sensor Switch - Sensor Indicates Lean - Bank No. 1

I need some help diagnosing this code, i've checked for major vaccume leaks but i was wondering if my idle was a little high, the truck idles at about 1000-1100 RPMs. i am at the point of replacing the front O2 sensor just to eliminate it that but thought i'd run it past you all to see if i'm on the right track with this.
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Old 11-30-2009
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bump
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Old 12-01-2009
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OBD-II Powertrain Diagnostic Trouble Codes (1000-1900)

Read the diags for P1130

Looks like you'll be a while finding this one.
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Old 12-01-2009
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thanks man, looks like i've got something to keep me busy for a while.
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