hey guys on the pickup in my sig. when you accellerate about half throttle or more or when pulling a load it seems like the turbo is hunting for where it wants to be. the exhaust sounds like wha wha wha wha wha and every once in a wile crusin down the road at 65 with cruise set the turbo will go full boost up to 30psi and then back to where it was, it seems to be going through the full sweep of the vanes so im woundering if its the computer telling it to do this or a bad ebp. still has full power. has anyone else ran into this before? thanks for the help, nick
6.0Laska
Sounds like sticking vanes (most common) or actuator. Have you tried to pull codes? Here is some info.
View attachment international turbo rebuilb.pdf
Many times you need to clean only. No parts required.
View attachment international turbo rebuilb.pdf
Many times you need to clean only. No parts required.
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