I have KW with N14 celect plus engine,check engine light is on and when diagnosed it is reading Barroms prs shrt v, the truck is loosing power and sometimes miss fire.Can any one help what is it?
Loosing Power
Discussion in 'Kenworth Forum' started by simbalog, Aug 11, 2014.
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doubt the freight brokers will know anything to help you. might want to move this thread to the garage mechanic section.
under kenworth or cumminsd o g Thanks this. -
Sounds like a simple sensor problem. Ambient temperature/barometric pressure sensor. Tells ECM what to do to compensate for fuel air ratio at different elevations. Easy fix if that's the actual cause.
Good luck. -
I wonder if anyone else has had any issues with a first generation Signature 565 Cummins with fuel related gremlins? I just put a new ECM on this engine 4 days ago and it's been fine after running with CEL on for a few days and experiencing all kinds of malfunctions and throwing codes everywhere.
Yesterday while decending a severely steep incline from a delivery, the engine quit altogether. Got it fired back up, had a CEL again which made me wild after $3,000.00 last Thursday. Shut key off...reset and was good until an hour later, decending down another hill and shut down again twice. I was LOW on fuel, but not to the point I thought it would affect anything. I went and filled one tank (150 gal. tank,) and after that it seemed to cure the problem altogether.
I am leaning towards being low on fuel, and catching a bit of air in the fuel system that caused the scare. I could have a cracked pickup tube in the draw tank...
Anyone ever have this type of scenario go on that they'd like to share, so I don't feel like the Lone Ranger...? -
I would pull the pic up out and inspect for cracks
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