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need help with tuned 2015 eco

ajc

New Member
Mar 31, 2022
1
0
Truck Year
2015
I am regretting this but anyhow, a local shop tuned my truck and initially it would sputter or cut off power only while climbing a hill at medium load in too high of a gear. then it progressed to doing it on the highway flat land here and there. now it is doing it violently at any cruising speed, basically the less throttle input i give it - the worse it sputters/cuts out. the issue is non existant at half to full throttle. when it sputters it smokes like crazy, blue hue. took it back to the tuner and he reduced PSI at low end and shut off the swirl flaps electronically and made the truck a dog but this problem went away, but now almost undriveable. soooo yeah. i replaced the air filter and put a new map sensor. egr is delete. dpf is delete. have new non-sensored cat so no smoke or stink and oem muffler. i am using the bluedriver obd2 thingy and its showing that my boost is cutting on and off majorly at 1-25% throttle tip in, 26-50 minor/medium, 51-100 full boost no spiking or sputtering.

2015 ecodiesel ram 1500
please help, thanks
 
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