Quote:
Originally Posted by Albin
That's a great list, Mark, thanks!

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Thanks Albin!
Also - exhaust related concerns such as a clogged catalytic converter if stock, and a leaking y-pipe, or egr pipe. A easy visual sign of leaking exhaust can be at the flex tubing located at each up pipe to the turbo, using a flashlight and mirror you should check for signs of soot. Some times the leak is audible.
Also, a bad EBP sensor (not just a plugged EBP tube) can be the root cause. Quite a few turbo's have been replaced when the root cause was the EBP sensor.