my friends cav turbo is having a few probs since he baught it last wk!
when you rev it it hesitates a tad and when driving at about 3000rpm it has a bad flat spot and over boosts!
he took it to a garage and they said it needs a re-map or uni chip? as the ecu is telling the turbo to shut off at 3000rpmish which is what the flat spot is!?
now could he put a phase 2chip in, in stead of the uni chip ie do they do the same thing?
were gunna fit my phase 3.5 ecu today and run it on position 1 just to check it is his ecu and nothing else, do i also just wind the actuator down to stop it over boosting?