2002 7.3 4x4 CrewCab Dually w/167,000+ miles with No Extras. Runs fine. Good speed/torque. Motor purrs like a lion. Lurching begins after reaching *normal operating temperature*. Seems like it shifts at the wrong time. When trying to maintain speed I can feel it lurch (almost like a gasoline...
I just uncovered another interesting piece of this mystery puzzle. All of the lurching/ surging is eliminated as long as I have the truck on "cruise control".
Here's a tough one for the class. Three DTC's (P-0122, 0603 & 1211). The only symptom is "surging". When trying to maintain steady speed, whether it's 15 or 70 mph, the truck engine lurches/surges unless I am advancing the throttle (depressing the accelerator pedal) or...here's the odd one....I...