Tuning
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New Member
Joined: 02-02-2019
Posts: 27
From: Louisville, KY
Tuning
Is there software, preferably free, that will download the tune from the PCM for our cars and or burn the tune to the PCM? I can do this with my Camaro but wondered if the HHR, specifically 2009, had this capability, Is this what Trifecta does/did?
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Joined: 10-13-2011
Posts: 40,083
From: Welland,Ont Canada
There are tunes for the three engines in our trucklets
https://www.chevyhhr.net/forums/2-4l...bstitue-60474/
has some information
https://www.chevyhhr.net/forums/2-4l...bstitue-60474/
has some information
Administrator
Joined: 10-13-2011
Posts: 40,083
From: Welland,Ont Canada
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