Hard stumble

[fphilli1]

I have a 2001 7.3 Excursion with 112K. The past two weeks on rainy days at 73mph it has stumbled. It acts like the powertrain just shuts down for a nano second. The tach drops around 500 rpm for just a second. This is intermitent and has happened twice both on rainy days on the freeway. I had it checked for codes and it shows a P0344 cam position sensor. There was a 2003 TSB on this for a reflash of the control module. Does this make sense? Would a bad sensor cause an intermitent stumble? This is my first post and would appreciate the help. Thanks.

 

[94f450sd]

yes a bad cam sensor will do that.it will do that then stop for a while and act normal then out of the blue itll do it again or fail completely at the worst possible time.

this thread will keep you busy for a bit

http://www.superdutydiesel.com/forums/showthread.php?t=96

do not go to ford for the sensor as they want 230.00 for it,international dealers are about half that cost,ebay is even cheaper,and i believe www.powerstrokeshop.com has great deals on them.buy 2.install one,put the other in the glove box alond with the tools needed to replace it.

 

[CJ7 Hauler]

Yep just did this last week. Got my sensor from the local truck shop for $108. Ford wanted almost 200 for it

 

[fphilli1]

Thanks for the feedback. I am having the sensor changed today along with a bunch of over 110K stuff.