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Overboost and VTA dump valve

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Old 10 January 2003, 11:08 AM
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Markus
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Ok, As some know, i have been suffereng from fuel cut, due to the car overboosting. This seemed to start happening after I had my new clutch fitted, though that could just be co-incidence.

I've had my Forge VTA DV on the car for some time now, and it WAS on before the new clutch and I had no problems.

However, my question is, could fitting a VTA cause overboost? I do have my recirc DV and can fit it, but before I get dirty, I want to know if the VTA could be the cause of the problem.

Thanks for any info.
Old 10 January 2003, 11:44 AM
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Dark Blue Mark
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Give it a try, I changed mine in the ad break of Goldeneye the other night

Cant see how it would cause overboost. If it was leaking on boost you would just loose pressure, rather that gain it. Woth checking all the connections though.

Maybe just because its extra cold at the moment? A few people have been suffering.

MB
Old 10 January 2003, 11:58 AM
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Markus
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will give it a go regardless.

Would put it down to the cold, except it was happening when it was warmish.
Old 10 January 2003, 09:19 PM
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Scott.T
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Markus,

If you have no joy try and get to the East Sussex meet we can go fo a spin and I can attach a few gizmo's to try and find out if anything is failing.

May even be able to get Scott Gillchrist to bring a few spares with him as he has a spare WRX on his drive.
Old 10 January 2003, 10:49 PM
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Markus
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Scott.
Am certainly planning on coming (it's 25th Jan isn't it?) So hopefully sort it.
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