Wastegate actuator stuck open
I have a 06' F12x it has 71 hrs on it. I bought the ski a month ago and since I have changed spark plug, oil, filter, and WGS. But the ski still only runs 53 mph and 5200 rpm at WOT. I tested wastegate actuator yesterday with the air hose off and the ski did not through the overboost code at high rpm. I think the wastegate actuator is stuck open and caused the ski to run slower at WOT.
The external appearance of the wastegate actuator looked fine no rust on it. I did see some black kind stuff come off at bolt mounting area after I spray it with CRC and rub my finger over it. Is it any proper way to get it unstuck.
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