2.4jtdm VGT operating system - Alfa Romeo Forum
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2.4jtdm VGT operating system

Can anybody point me towards a schematic for the turbo VGT operating system/hoses etc please. I would like to know exactly where the vacuum hoses from the engine and to the solenoid and turbo operating vacuum capsule go to check that here are no blockages or leaks in the system. I am curious as to why the boost gauge fluctuates and the engine seems to pull like a train sometimes and is pretty flat at other times.
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Try cleaning the map sensor and the turbo valve filter.
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Originally Posted by paul.o View Post
Try cleaning the map sensor and the turbo valve filter.
What is the turbo valve filter?

Do you mean the vacuum solenoid on the front slam panel?
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