For all those that know PCM tuning...lemme know your input as to what happened to my car. I just had one of those thoughts and am wondering what caused my motor to grenade piston 3 last winter. I was running a ZZP PCM (My car is a 2003) and it was stuck in programming mode (DIC flashing 0.0) I drove it like and flogged on it...A LOT. Just curious as to what might happen to a car during the programming mode if you drove it...I just thought this was the main reason why my car shot craps but I just want others opinions...for my own knowledge as I am tryin to understand the tuner and am reading all the Notebooks about it and such. Thanks for any info.