Originally Posted by Bshields22

When I got my EcuTek installed my engine kept taking a sh!t and loosing ALL power every 3 miles. Check engine light and a few other lights came on. It would just stay at 500rpms. I would have to turn the car off, wait a minutes or two, turn it back on and it would do it again. I reached back out to Seb at Specialty Z and he sent me a better file. Now the car drives like a DREAM.

Might just be a bad file or one with glitches like mine at first.

Originally Posted by dP3NGU1N

I've had the flashing check engine light. Was also told it was knock sensor by my tuner. Subsequent tunes have been better but still comes on every once in a while and not as readily reproducible.

It seemed to primarily happen at low RPM (2k-3k rpm) if I decide to accelerate without downshifting on the earlier tune.