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After installing headers and x pipe check light on
Ok guys my check engine light is on and I'm getting the hp tunner I had a diablo sport but it won't erase the light completely anyway does this effect proformance hp ect I know my gas sucks bad I'm getting 15 mpg
Since you already have the Diablo, contact this guy and get all of your issues resolved with a custom tune http://www.diablewtune.com/
If you don't have someone local , just go to his web site where he tells you how to use the diablo to do a log file which you email him
For I think $150, He will make the adjustments and email it back and you just load it like a normal " Custom" Diablo Tune
I have been emailing with him as I am going to do the same ,I loaded the 93 octane tune, TCM tune , just added a CAI and waiting on my headers to be delivered