I drive my car for a few minutes home after work and my coolant temps shot to like 245! All of the bars for temp in the gauge cluster where lit up too, I recently uploaded the dizzy stage 2 tune, it was 112 out in as today, I have one step colder plugs on the way already. Any ideas? I put the Cobb Ots tune back on and no overheat, sent Jason an email about it also.was pretty scary today!
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