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Discussion Starter #1
I'm working on a 2005 Jetta that is going in to limp whenever you get on the throttle hard. I checked the N75 and actuator using the test in VCDS and the actuator seems to be working normally. After much reading it looks like ai will need to clean the turbo. Can the actuator move with out moved the turbo vanes?
 

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Discussion Starter #3
So, if I have .75 to an inch of movement from the actuator the turbo vanes are moving normally? It does not need cleaning?
 

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Log boost requested vs. actual to see if the vanes are moving normally. If the rod moves smoothly the vanes aren't sticking but the best test is to log data while driving. Does the car have any mods? Check the intake piping for leaks.
 

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Discussion Starter #6
I drove and ran a graph but I don't know how to save and attach it here. The desired and actual boost stayed with 100 mbar of each other unless I was on it hard and then actual went much higher than desired.
 

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Some additional info if you have boost fault with a "BJB" engine in a Caddy with engine E.C.U. "03G906016DM" with software version 5845, 6045 or E.C.U. 03G906016LG with software version 0699,0803,1299. There are software updates for these computers, that can be done by a Volkswagen Dealer if all other remedies listed do not solve the problem. Hope this reduces the frustation for "BJB" engine code owners
 

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