Hi, I'm having low idle issues and would appreciate some help. 04 SS basically stock except shorty headers and true duals. Thought it was a dirty TB, but cleaned it good and no change...honestly it is worse! MAF was also cleaned, but that was about three weeks ago...before the problems started!
This problem seemed to begin after I downloaded the tune and added electric fans. Best I can tell...only the fan info changed...but the truck has run worse since and the mileage is down 1 mpg!!! Could there have been a mail-order tune on truck that EFILive did not read? It seemed to download properly...but something has changed! Any help would be greatly appreciated!!!!
Thanks,
Jimmy