Archived Very sluggish throttle, especially on startup.

[Decker_W]

Improves somewhat while driving but barely pulls large Lance camper. 2001 3500.

Road Runner

 

[DonFitzwater]

What's your fuel pressure?

 

[Sticks]

Sigh...

Going to need more details/info on your truck.

Auto or Manual (5 or 6 speed)

Aftermarket performance modifications if any

Gauges

Any DTC's (codes stored in the ECM/PCM)

Check engine light on

Any recent repairs or maintenance

 

[Grey Wolf]

When was the last time the fuel filter was changed?