service engine soon code

Discussion in 'General Chevy & GM Tech Questions' started by cthegney, Jan 15, 2010.

  1. cthegney

    cthegney New Member

    my service engine soon light is on and i'm not sure why. i had two different people plug in code readers but it doesn't give any info back, like they're not plugged in. any solutions other than taking it to a dealership. this is for a '97 chevy silverado
  2. bigburb

    bigburb Rockstar ROTM Winner 100 Posts

    Is it running normally? Anything out of the ordinary?
  3. cthegney

    cthegney New Member

    yeah is seems to run just fine althought I haven't driven enough since to check my gas milage for any difference
  4. 97chevz71

    97chevz71 Rockstar ROTM Winner 100 Posts

    MIne comes on once and awhile. MOst likely it is the code p1406 which is your egr valve

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