on November 14, 2012, 1:19 pm, in reply to "Audi a4 1.8 turbo surging when acclarating"
What's the difference between actual and desired?
Can you log with duty cycle to confirm if ecu is trying to correct?
Check
Faulty/ sticking N75 valve
leaking or blocked vac pipes
incorrectly adjusted wastegate
Chris
Message Thread 
Audi A4 1.8 BEX Turbo - Surging when accelerating # - Mark Poulton November 14, 2012, 12:18 pm
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