Fluctuating throttle around 1500 rpm at light loads
2000 7.3 PS Diesel, 149k miles, bone stock. No check lights are on. New air filter, recent fuel filter. The cam position sensor has been replaced by the PO but may have 100k+ miles on it:
When driving slow speeds (30 - 50 mph) and around 1500 rpm the throttle fluctuates even though my foot is in the same spot. Sometimes the throttle gets to be more more (power and rpm go up) sometimes it falls off to less (power and rpm are less). At WOT and idle, all things are normal. This happens all the time but it seems it is more pronounced when the truck is "cold" (Los Angeles).
I have searched the forum but haven't found anything that sounded like my symptoms. How do I go about diagnosing this? I have a road trip coming up and don't need this out of the hole!
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