Cat Lift Trucks (& Caterpillar) C6000:
Error code

New to the site. New to me 2010 c6000. Dash shows e 42. I don't see info on e 42. Thoughts?
  • Posted 24 Oct 2015 07:09
  • Discussion started by Pontiacdude
  • Michigan, United States
Showing items 1 - 2 of 2 results.
The best thing to do is grab a OBD2 reader and connect it to the OBD2 port. That will give you your P code and tell you if you are running rich or lean. As the person above mentioned, check for vacuum leaks and see if the manifold is cracked. I know on the LPG systems, we were having a problem with the injectors and throttle body.
  • Posted 1 Dec 2015 05:03
  • Reply by milan_m
  • Ontario, Canada
My Email -
Your truck is staying in closed loop. With a code 42 you must have a gasoline system. Usually it isn't a failed oxygen sensor. If you don't have the diagnoser software I would check for vacuum leaks and fuel pressure. I have had cracked intake manifolds and dirty mass air flow sensors cause the code. You can clean the sensor. If you post your email there is some information I could send you.
  • Posted 30 Oct 2015 15:20
  • Reply by shovel_fx
  • Illinois, United States

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