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08 Trailblazer

Discussion in 'Chevy Trailblazer Forum (GMC Envoy)' started by mitchl, Apr 15, 2009.

  1. mitchl

    mitchl New Member

    Looking to find out if the ECM on these trucks can be reprogrammed for better gas mileage??
  2. truheel1

    truheel1 New Member

    trailvoy com

    Go to trailvoy There is plenty of info there that will help and threads that has info also. Look for www.pcmforless.com for retunes..........
    Last edited: May 11, 2009
  3. scrappiedew1

    scrappiedew1 Rockstar

    move to ams oil or some thing like that up date air intake also if your 08 is under warranty becareful.
  4. Muddflap

    Muddflap Member

    Yea..Ams oil is awesome..synthetic helped me out like a champ..also new tires and plugs and wires best your gonna do. If it works let me know though.

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