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boost kickback

665 Views 6 Replies 3 Participants Last post by  linear777
Hi all.
Right after an ecu tuning upgrade ive been experiencing some boost kickback. whenever i go full throttle on my 2003 aero. its like the turbo is stopping for half a second and then it boosts up again. What do u think could be wrong????
Am sure it did not do that before the upgrade.....
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Discussion Starter · #6 ·
it does it on full throttle no matter what rpm. Sometimes it does on 1st gear sometimes on 2nd and last night it did it when i tried to overtake a bmw 325 on 135 kilometres per hour. the ecu upgrade was made by a german programmer in accordance with a programmer here in cyprus where i live.
 
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