Technical Engine code p0033 advice needed

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Technical Engine code p0033 advice needed

Joined
Sep 28, 2009
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Hi, I have a 57 plate tjet, since owning the car I've had the engine managment light reappearing all the time, the code is (p0033 turbo charger bypass valve control circuit) now I thought this was the little sensor that is attached to the radiator with 3 small pipes going to it and a 2 pin plug at the bottom. So I got a new one and I'm still having the same code. I don't know where else to look to be honest, unless it means the actuator on the turbo is stuck closed making it boost really high, I don't think it's been remapped with the abarth turbo but it's running at 22 - 24 psi of boost and is leaving cars with 180 190 bhp. I also get like a fluttering noise if I put my foot down in say 4th at lowish rpms coming from what i think will be the recirculation valve, is this becaus the valve is not strong enough or is it trying to lose boost that way to help the engine from running lean? Any help would be great. Thanks
 
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