I drove to grab a cup of coffee this morning and something strange happened. for the most part my 850 R is stock. I don't have a tune. Just a cat back exhaust and CAI. Boost is 12psi. On my way home this morning i rolled into the throttle in second gear. I watched the boost climb past 12 psi and I immediately got out of the throttle when the gauge read 18 psi. it wasn't stopping at 18. Could this be a wastegate issue or maybe my boost control solenoid going out?
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