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check engine light

Discussion in 'Chevy Silverado Forum (GMC Sierra)' started by ss_silverado_phoneix99325, Oct 4, 2007.

  1. I have a 99 silverado, is there any way you can use the check engine light on the dash, and read it like a code, compared to how many times it blinks on start up before the engine is running. Some one mentioned it to me but I doubt it, havent found any info on it yet, instead of using a diagnostic scanner.
  2. 84fiero123

    84fiero123 Epic Member 5+ Years 1000 Posts Platinum Contributor

    That stopped in 95 when they went to the new OBII system I believe, now you need to have a reader to plug into system. Luckily most parts sores will lone you one or even read the codes for you.

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