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? :Suspiciou
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Originally Posted by Bubba po
(Post 10278445)
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 one Any ideas?:Suspiciou.
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Boost leak as a result of a loose pipe somewhere.
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Originally Posted by Einstein RA
(Post 10278456)
Boost leak as a result of a loose pipe somewhere.
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Originally Posted by Einstein RA
(Post 10278456)
Boost leak as a result of a loose pipe somewhere.
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Originally Posted by MicaDan
(Post 10278449)
Check to see if the wastegate is operating correctly on the turbo, it might have seized open.
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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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Originally Posted by Bubba po
(Post 10278473)
I wouldn't know where to look for that. :D
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Originally Posted by stedee
(Post 10278486)
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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Lol on my phone aswell, hate typing on it
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Try blowing solunoid pipes out with aerosol brake cleaner, worked for me on identical car and mileage.
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first thing id check is dump valve leaking to atmosphere especially if its aftermarket
y-ppe up-pipe |
VTA bypass valve? Surely not! I'd guess that it's pipework related too.
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Originally Posted by ROBSTER-TURBO
(Post 10278572)
first thing id check is dump valve leaking to atmosphere especially if its aftermarket
y-ppe up-pipe |
Originally Posted by Bubba po
(Post 10278445)
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? :Suspiciou
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Originally Posted by MicaDan
(Post 10278487)
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.
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Originally Posted by The Dogs B******s
(Post 10279025)
It's Fooked:p
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Originally Posted by Bubba po
(Post 10279030)
It's NOT fooked, it's just resting. :mad:
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Try checking the nipple to the dump valve. Mine had snapped when I bought it. New dump valve jop done.
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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. :D
Cheers, guys. :) |
Originally Posted by Bubba po
(Post 10297816)
Had it looked at today and Voila! It was the actuator, as MicaDan suspected. One replacement actuator, and its mojo has returned. :D
Cheers, guys. :) |
Scoobynet on form. :cool:
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Originally Posted by andythejock01wrx
(Post 10298084)
Scoobynet on form. :cool:
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Why would anyone bother moving this? :confused: It was on its way back down, anyway!
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Originally Posted by MicaDan
(Post 10278487)
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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