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Clicking noise coming from turbo - 2006 Hilux Dual Cab

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Hi there,

The turbo in my hilux makes a loud clicking noise when the ignition is switched 'on'. It's not noticeable once the engine has been started. I was wondering if anybody else has encountered this issue, and if its something that needs to be fixed? Besides this, the car runs perfectly!

My thoughts on initial inspection are that there could be an intermittent signal coming from one of the exhaust sensors maybe?

Any help would be appreciated.


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Hi, somebody answered my question for me on another blog. They said the following:

"It's normal - the variable vane solenoid checks itself and its movement range with engine off but ignition on".

Look into this type of solenoid and it will explain everything. But basically, it's normal.

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