This ones got me stumped..truck sat at work unplugged all day so naturally had issues starting last night (was 6deg with negative winds). Got it fired, warmed up and took off. Runs just fine until it drops in to overdrive about 40. When rilling in to the throttle it just bogs until it down shots shoots the revs up and takes off. I cant hear any turbo whine till about 2000rpm. Did this same thing about 2 weeks ago and after dealing with it for a few days heard a clunk from the turbo area and it was back to normal. In Italy thought the waste gate wss open but its free, up pipe seals are good and the EBB is gutted...any thoughts would be appreciated.
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