My Impreza has lost its "go".
11 October 2011, 05:24 PM
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My Impreza has lost its "go".
UK MY99, no mods, 90k on the clock, runs absolutely fine, no check engine light on. All I can say is that there's no turbo kick where there should be. Any ideas? 
Last edited by Bubba po; 11 October 2011 at 05:26 PM.
11 October 2011, 05:32 PM
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11 October 2011, 05:42 PM
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11 October 2011, 05:48 PM
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You have to disconnect the actuator from the turbo and then you will be able to move the lever if its free to move , its a small clinder with a bar coming out of it, its usually a gold colour. There is a circlip that holds it to the wastegate lever
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11 October 2011, 05:48 PM
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On the turbine housing (exhaust) side of the turbo. Remove the heatshield, disconnect the actuator rod (normally held in place with a circlip) and check that the wastegate arm moves back and forth freely. It might be totally seized or it might just be binding enough at a certain point to stop it functioning correctly. If the car is running fine, just not boosting, this is likely to be the cause. Any sort of boost leak will cause the car to massively overfuel and this would be something you'd notice.
Last edited by MicaDan; 11 October 2011 at 06:15 PM.
11 October 2011, 09:34 PM
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11 October 2011, 09:36 PM
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11 October 2011, 09:37 PM
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On the turbine housing (exhaust) side of the turbo. Remove the heatshield, disconnect the actuator rod (normally held in place with a circlip) and check that the wastegate arm moves back and forth freely. It might be totally seized or it might just be binding enough at a certain point to stop it functioning correctly. If the car is running fine, just not boosting, this is likely to be the cause. Any sort of boost leak will cause the car to massively overfuel and this would be something you'd notice.
24 October 2011, 06:06 PM
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Had it looked at today and Voila! It was the actuator, as MicaDan suspected. One replacement actuator, and its mojo has returned. 
Cheers, guys.
Cheers, guys.
It was on its way back down, anyway!
25 October 2011, 12:26 PM
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On the turbine housing (exhaust) side of the turbo. Remove the heatshield, disconnect the actuator rod (normally held in place with a circlip) and check that the wastegate arm moves back and forth freely. It might be totally seized or it might just be binding enough at a certain point to stop it functioning correctly. If the car is running fine, just not boosting, this is likely to be the cause. Any sort of boost leak will cause the car to massively overfuel and this would be something you'd notice.
Just wondering if the car would not boost at all if this is the problem, as mine does boost (according to the gauge) but does feel alot slower than it used to and is using a lot of fuel.
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