I'm planning on getting a tune. The car was tuned last and R&H Garage in Seattle and I do not know anything regarding how they tuned the car. I called them, but their dyno computer crashed since then and lost the information. Currently there is something going on with the car. It does not happen every day but every other day. I'll be just driving along and the car will throw a code and start crackling (knocking) like I'm using bad gas. (Service engine soon light comes on) If I shut the car off for a few minutes and turn it back on, it will run fine again. If I don't shut it off, the car will continue to run in the knocking mode. Not sure if this is the computer changing something. The ARF runs between 14.2-14.6 continually. Running on 92 octane. I had a friend read the codes and there was a misfire code. when the issue begins there is no warning audible or performance wise. It's like a switch turning on. Anyone have an idea ?
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