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joepizuro
03-09-2016, 07:22 AM
How come there's no support for a 2004 Grand Prix w/ 3800?
roughneck427
03-09-2016, 08:21 AM
How come there's no support for a 2004 Grand Prix w/ 3800?


DHP power tuner
freshda9
04-04-2016, 06:02 AM
2004 and 2005 ecms were a little different and not all aftermarket companies support those ecm types.

Tiny Tuner, DHP, TunerCats, and HP Tuners can get it done.
joepizuro
04-04-2016, 07:03 AM
Not able to use Tiny tuner to do flashing am I?
freshda9
04-05-2016, 04:09 AM
I have never personally used Tiny Tuner so i am unsure.