New turbo and ts mpd wont read boost

syrupdawg

syrupdawg

GA Diesel Mafia
Joined
Mar 16, 2008
Messages
1,792
I installed a htt 64mm turbo on a customers 2003 LB7. It is a drop in application and everytjing fit great. He has a ts mpd for gauges. At full throttle the truck smokes like a freight train and it has stock injectors. Before the turbo it would read app. 30 to 32 lbs of boost on the mpd. After turbo it shows zero. I already tried swapping 2 different map sensors on it with no luck. Ill try to pull codes as soon as the customer will bring it back again. It has tts tuning on it. Thanks in advance for the help.
 
Could there be a major boost leak? Big smoke and gauge reading zero, pointing in that direction.
 
Umm, not sure then. Maybe the codes will shed some light.
 
Maybe they will. The truck ran clean as could be before the turbo on the same tune
 
I also dont know why this is in the efi section. I meant to put it under competition. Guess i fat fingered it!
 
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