I was tuned by a shop last year on my turbo 2.4 cobalt but im making some changes and need to be retuned but using a different shop since the old shop had bad customer service and wasnt that good at tuning.
The new shop is just starting to get into using hp tuners with my car. I'm going to get tuned on May 25th memorial day.
What do I need for him to be able to tune me? He has the cable but he wasnt sure if I still have a credit to adjust my pcm or not? Hopefully someone can clarify this for me. Thanks.