Powerstrokin350
Registered User
This thing is stumping me. Just replaced the CPS after last weekend replacing the IPR and IPS. It was running rough and could die after it warmed up. Now it will still occasionally die, but seems to be after well warmed up. It only seems to occur after sitting, say at a red light, when I go to take off, it will “surge” accelerate for a second and then dies. Will crank like a cold engine with no glow plugs, fire and then lug for a second and drive fine. May repeat at the next stoplight or may not. Cleared codes with FORScan and Hypertech programmer. No codes after replacing all three sensors. Passes all the KOEO and KOER tests, except for intake heater that has been replaced with a boost gauge line.