Bad Maf Sensor?

S3ALEX90

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Hi there ive recently been suffering with low boost issues ive just unplugged the maf sensor and it boosts up fine. Theres no other problems other than the lack of booost
 
Yeahh it brought up lambda sensor o2 sensor and intermitent maf sensor but all this came up while I had a vac leak so I cleared them fixed the leak and it was fine apart from a slight hesitate while on boost. I left the car over night came back and that's when I had very little boost. I've just plugged the maf sensor back in I've got all boost back (I think) but it does judder in some gears when up in the revs
 
The exact codes would be helpful... if its running ok with the MAF disconnected it sounds like its faulty... replace it with a genuine Bosch one though and not a pattern part

<tuffty/>
 
There at work :( ill plug it in again tomorrow and see what it throws up. Thanks for your help tuffty!
 

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