ecu tune

  1. 1loehoe_tony

    Need help asap throttle code????

    I was being thrown a throttle body code so I changed it out relearned and even retuned it but it keeps throwing it into low engine power. Need help troubleshooting what it could be. I have a list of mods so if you think you can help me figure it out shoot a text in the thread.
  2. InterceptorF

    2001 Yukon XL - BTR stage 1 cam ECU tune?

    I just did a basic rebuild on a 2001 LM7 for my Yukon XL (rings, bearings, seals) and added a BTR stage1 cam/springs/trunion upgrade to it. The beast started right up! woohoo! The only issue I am now having is that the Yukon XL has a bad knock when accelerating. I have ruled out the rod...

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