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Boost issue 0.5 bar. Yawn!


Jonny
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Hey people, I’ve got an Impreza classic wagon and it’s never boosted correctly, I've put a gauge on it and it’s only boosting at 0.5 bar. I’ve had the inlet manifold off and checked all the pipes, not fun, didn’t find a single split pipe. Any ideas? It also has an annoying hesitation at gentle throttle. Any help would be appreciated to make it go how it should!

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My v3 97 UK turbo only ran 0.6 bar as standard,  so it might not be a intake air leak causing the problem. 

What model /version is it ? 

What Ron fuel do you use ? 

Could try cleaning the maf with brake and clutch cleaner , just be sure that the maf is dry before refitting and dont touch the element (wire) , as they're very fragile. 

A self ECU code check and reset might help too 

 

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