that is an NTC-315, 855 big cam engine, not an N-14! if indeed that is the serial #
it may not throw a code, it just thinks that it is too hot causing the derate and possible shut down depending on the settings in CAT ET!!
you say intercooler temp, do you mean air intake temp? if so yes it will cause the loss of power.!
Replace both suction and return lines to the tee fittings and make sure that both suction lines are the same length and both returns are the same...
Sounds like you have a high resistance to the intake temp sensor causing it to derate, or a bad temp sensor.
I've rebuilt a lot more Cummins engines than Paccar engines of the same year 2010-2013! Cummins get carbon packing in the piston rings causing...
verify oil pressure at the port where the sensor is plugged in, if you have oil pressure which you probably do I would suspect that you have a...
TORCH is all we use, we do it every week!!!
A customer of ours had a Bully dog 6NZ cat engine, it started out at 475 hp... with the bully dog program in the ecm it went up to 600hp at the...
that model may have a separate sensor for the tach in the engine bell housing, threaded in the housing. adjustable by threading in by hand until...
don't forget to clean all the corrosion off of the hub where the drum centers on it...here in Canada or where they use road salt it corrodes...
If you come up with a code, I can let you know what it is...cat access!!!
peterbilts are the same as a kw... what are you trying to wire up??? ( my best sarcastic voice)!!!
KW part but a good exhaust place can weld on just a flange!! $20 flange, $30 labor!!
you say the vibration started after replacing engine mounts and clutch....hopefully the clutch was done at a reputable shop...if not I have seen...
Fellow PACCAR tech here.... does is also still vibrate while standing still....if so try unbolting the clutch from the flywheel and run the engine...
