Welcome to the group egr cooler should b covered under the new warranty did u just get the new tune???? The hesitation comes free of charge gde tune it and your problems will b over
Tune it and spend the money your self I tuned mine with six or eight hundred miles on it it has never had a check engine lit yet every one is afraid to tune it because of the warranty u don't need the warranty once once it is tuned I put my hand in my pocket and found that I have a pair of them...