stumble at take off only sometimes 6.0L

[Tawas23]

Need help with my 2006 Yukon 104000 miles 6.0 ..it stumbles/no power for a 3 second delay and only does this sometimes ..no check engine lights ..I cleaned EGR valve ..mass air flow sencer ...plugs ..injection cleaner in gas cleaned throttle body ..I really need someone to help lead me in the right direction fuel pressure is 50/555 psi can anyone help me ..like I said a 3 second delay call it stumble/pause/delay/loss of power /and this only happens at take off only ..bought a year ago and can find anything wrong runs great otherwise ..anyone have ideas opinions anything ...????? LOST

 

[livingez_123]

Sound like a drive by wire issue, more than likely it's the pedal position sensor going bad.

 

[OHSIXX]

That was my other thought from what I said in your other thread. I just wasn't sure on which sensor was related to the drive by wire setup. Makes sense though.

 

[Tawas23]

thank you for your help wasn't sure if anyone could point me in the right direction ..thats the drive by sensor is located under the gas pedal correct???