did what yall suggested and took apart the IAC and the throttle body, the EGR port's where slap clogged nasty.Used a screw driver at first to break up the sludge at first. Took apart everything and went back nice. Cleaned the MAF sensor also, took it out and wonderfull response but the bucking and hesitation is still there when I hold the speed. Took to auto zone and code reader said the egr is not getting enough air , any thought's as to what might be next to do, THX for your help!!

 

replace the DPFE sensor

 

The actual fault code (P0###) would be a great help. I don't think your DPFE is faulty unless the code is DPFE specific or points to potential trouble issues.

 

what is that and what does it pertain to!

 

Part of the EGR system - Who knows what you need tho - we need the numbers and you haven't supplied those yet. It's easy , but you need to do your part and tell us the numbers the scanner came up with..

 

he read it for me and that's all he said I assumed that's what it was,if there's a number I'll go back and get a readout, thx for the info!

 

They do that cause they are in the parts business.

One time I had to bitch for 30 min before I got the code number. Dude tried to tell me the reader didn't give code numbers.