looses boost randomly 85% VGT EBP 15.9 HELP! - Ford Powerstroke Diesel Forum

 
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post #1 of 3 Old 07-13-2014, 07:23 AM Thread Starter
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looses boost randomly 85% VGT EBP 15.9 HELP!

this has been happening since i bought this truck. when u get up to speed and hit overdrive truck looses boost. may come right back, may take 5 miles. smokes like a freight train until it gets boost back. koeo ebp map baro 14.1. cleaned map tube, ebp tube and sensor. truck throws no codes. idling hot ebp 16.7, map 14.5, vgt 75.7, boost .5. wot run boost 33, vgt 15% hpop 2100, ipr 82%. running IDP xtreme tunes. when this happens vgt hits 85%, ebp drop to 15.9. then evreything goes back to normal. if i understand how vgt works shouldnt it being at 85% increase ebp? what is causeing this? dealer says nothings wrong. help!
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post #2 of 3 Old 07-13-2014, 12:38 PM
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Just a shot in the dark, but when was the last time the turbo was cleaned/inspected?

I don't know much about what the vgt% or the edp (assuming that's a PID?). If you want I can take a look at my values and see how they compare to yours.
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post #3 of 3 Old 07-13-2014, 02:04 PM Thread Starter
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I'm not sure if its been cleaned or not. Does not do this if you return it to stock. Runs great other than when it does this. Probly have to suck it up and pull the turbo.....
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