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Re: '04 Surging/Bucking @ constant speed
dadof5,
If you are getting the surge and stall condition regularly then go to the dealer and ask them to loan you the shops VDR ( Vehicle Data Recorder ). It is a little black box that they hook up to the diagnostic port under the dash. It keeps trace of 50 seconds worth of real time data from all the sensors in your truck. When you have a surge or stall happen, you press the red button on the VDR and it takes a snap shot of 30 seconds before you pressed the button and 20 seconds after you press the button. The will allow the tech working on your truck to see what is causing the problems that you are having.
Chances are that you have a bad ICP ( Injector Control Pressure ) sensor or a slow to respond EBP ( Exhaust Back Pressure ) sensor. I had the same problems with my truck, I went round and round with the shop, taking it back every other week for about three months. Finally after uploading the VDR captures to the hotline and having a field service tech come out and take a look at it, they narrowed the problem down to a flaky ICP and slow EBP ..
If the shop is not willing to let you ride around with the VDR, tell them that you would like to document the dangerous stalling and surging condition that your truck exhibits, and that the shop refused to let you barrow a diagnostic tool that would help pin point the problem. My shop didn’t want to let it out of the shop, without a little pressure.
crimtide
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Current :
06/06 F-350 4x4,PSD,Lariat,EC,SB,FX4,Tow Command,Uplifter Switches. ( Picked up from Sunrise Ford 7/1/2005, thanks Bobby !! )
Add On : None yet
Buy Back:
04/04 F-350 4x4,PSD,Lariat,CC,LB,FX4 <- Returned to Ford on 7/15/2005 ( DSB Buy Back )
Buy Back:
03/02 F-350 4x4,PSD,Lariat,CC,LB. <- Returned to Ford on 12/16/2003 ( DSB Buy Back )
Totaled:
01/02 F350 4x4,PSD,Dually,Lariat,CC,LB. <- Hit by 18-Wheeler while driving home from work.
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