Low Power> No Boost> Pressure Sensor
When I lost power going thru Oklahoma City and Good-ole' Silverleaf showed no Turbo Boost Pressure I assumed that an elbow, clamp or hose had blown off (like others have described in earlier posts).. I limped into Cummins in OK City and everything appeared to be connected. Silverleaf and the shop's computer showed no failure codes. To confuse the issue; boost pressure returned and then failed again. The problem was a bad Turbo Boost Pressure Sensor. When it fails, it doesn't cause an error message to be generated; but instaed it commands the engine into a "limp mode". This would also happen if it sensed no pressure. I thought I would share this with you and pass on that Cummins-Southern Plains in Oklahoma City were very friendly, competent, and accommodating. Repairs were done under warranty which were less than a month from expiring.
Matt & Lorraine Moniz
'05-36MDDS Alpine / '14 Honda CRV