A scanner can track it in real time to see if its working right. Try calibrating your throttle control as well. Based on the information you provided, it appears your semi has gone into derate mode.
Freightliner Cascadia CPC4 issue engine acceleration problem check
The transmission light, engine light and the abs light all turn on and the gauges start jumping around and acting up simultaneously at random times, doesn’t matter if i’m loaded to max or if.
Deleted my 2015 freightliner cascadia 125 w detroit dd15 automatic in august.
A few days ago it would start but show no def and only idle. I have a 2016 freightliner cascadia dd13 (automatic dt12) and have had nothing but problems with it for the last few months. The issue was identified through diagnostic codes (spn 91 fmi 8 and others), suggesting a faulty accelerator pedal sensor. Ran fine for several months.
Multiple unrelated codes (coolant level, ambient temperature). With the ignition switch in the on position, try slowly pressing the pedal down to the floor and raising it back all the way up 3 to 4 times before starting the engine. While driving, the hsa light comes on and the truck loses. Hello guys i have a 2014 freightliner cascadia 125 with a dd16 engine that it was parked 1 month until today, so i went to parking lot to pick up a.
Locate connector 1 and back probe pin 8 with the key on.
You can also check the air cleaner/ air intake, make sure a. If you have correct voltage, measure pin 7 while slowly pressing throttle. If this is the case, a repair shop with the diesel software will have to remove the system from derate. Some times the throttle position sensor will fail without throwing a code.
