Quote:
Originally Posted by Kyletrann
I could be wrong, but I think if you are not on warranty then JB4. From other users responses in this thread, Dinan is great but it is more prone to throwing a CEL. I haven't heard about many issues from JB4 when installed correctly and used correctly. Dinan seems to be good if your car still has warranty with the dealership
By more reliable, I'm assuming you mean your car wont get an error code.. then JB4>Dinan.
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I was referring to long term engine reliability. I’m curious which tune would let your engine last a longer time. Or if both aren’t good for engine in the first place.