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05 envoy

  1. early or late model 05

    General
    I have a 05 Envoy and I am a newbie when it comes to cars. How do I find out if I have a late or early model. I need to find out if I have the maf of map sensor I have seen on here 05 model changed between the two(early or late).
  2. rapidly changing RPM while driving

    General
    Hello everyone -- this is my first post -- so please be patient with me :) We have an 05 Envoy which we have owned for about 5k mi -- has 65k on it now - we are the second owners. service engine soon light is on as of today but have not checked the code -- my husband is the one who actually...
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