changed the 02 sensor

Discussion in 'Chevy Tahoe Forum (GMC Yukon, Cadillac Escalade)' started by bigbrett, Apr 10, 2008.

  1. bigbrett

    bigbrett Rockstar

    2003 tahoe 5.3
    scanner showed 02 sensor in right side exhaust
    changed it still getting code
    preheat something or other in that sensor

    must be a loose connection

    anybody have the wiring diagram or have had similar
  2. MrShorty

    MrShorty Epic Member 5+ Years 1000 Posts

    I've used the wiring diagrams in Chiltons and/or Haynes, and found them adequate for O2 sensor circuitry.

    What specific code are you getting?
  3. bigbrett

    bigbrett Rockstar

    I knew I should have written it down:grrrrrr:

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