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Old 08-08-2020, 02:44 AM   #5
SlammedSix
Scooby Newbie
 
Member#: 419926
Join Date: Apr 2015
Location: 07 STi/ 08 STi/ 15 STi
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Best and easiest way to check pull up a decent scan tool and you can watch the cam degrees. This will tell you if the timing jumped or the oil control valve for the AVCS is leaking and keeping the AVCS cam advanced or its a bad sensor.
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