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Discussion Starter · #1 ·
hey guys, just recently decided to try out the 87 performancce tune, well i filled the tank with 87 and everything seemed ok until today when i was driving my idle went to 300rpm and fluctuated and while i was driving the rpm was surging at 1200-2000rpm and at the next stop the truck died on me, so i limped it home and swapped back to the factory tune and it seems like the problem is fixed. could this be a dsp issue or just maybe some bad gas? any help is much apreciated
 
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