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Power Strokes
6.0 Tech
Surging turbo
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[QUOTE="6speedsd, post: 974192, member: 1242"] I've actually checked just about every one of those things. MAP hose and fitting are clean. EBP sensor and tube are clean. Turbo is clean. Unison ring is new and actuating arm shows no wear. Already replaced the plastic cold side pipe with a metal one with new boots. No soot anywhere on or around the uppipes. Checked vgt wiring yesterday...found no worn wires or cracks. I can cycle the solenoid with AE and it works open and closed. Truck does not have a MAF. I pulled the IAT a while back but I need to again just to make sure. Something I've noticed is when the truck is cold, it doesn't act this way. Boost is instant and normal. Once temps get up to normal, it gets laggy. Not sure what causes that. Sent from my iPhone using Tapatalk [/QUOTE]
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