08-16-2017 10:35 PM
That C7 has a HEUI pump that could be weak. Engines with equipped with a HEUI pump need the engine oil and oil filter changed on a regular basis to prevent that HEUI pump from failing or performing poorly.
06-21-2017 01:49 AM
Ahh.. Same problem with c7 engine here too, it seems changing fuel filter doesn't help.
04-18-2017 07:02 PM
depending on the fuel code sounds like a fuel inlet restriction to me
Hey i just got this problem with c7 engine it is from a 324 excavator its was working fine and then it stars derating the engine it gives a fuel error i changed the feul filter but same problem
04-12-2017 03:06 PM