My dodge truck starts fine ,but I cant get full throttle out of it ,an the passi on 2001 Dodge Ram 2500

It happens if I floor it to go it falls on its face,then I let off it it starts going again

Asked by for the 2001 Dodge Ram 2500
2 Things- Fuel Pressure and look at 02 sensors pulling lean. Check backpressure in exhaust.
1 more answer
Lets assume you have a clean air filter, yes. Is the turbocharger operating?