1999 F-350 7.2 diesel wont accelerate--it will start but cant/wont accelerate. Had work done in April and worked fine until this am...got in it to go get coffee and had this issue. Any suggestions?

 

We had this issue on one of our trucks at work and it was air in the fuel lines. What work did you have done? Last oil change? Current oil level? Fuel filter change? Any other new problems noticed (skipping, smoking, ect)?

 

We replaced the clips on the injectors....the glow plug light does not come on...but it starts just fine...it will not accelerate...the petal is dead...last oil change about 1000 miles ago.

 

Do you mean you can mash the pedal and the rpm's do not increase?

Sounds like the throtle position sensor. Part of the pedal assembly

 

Welcome to FTE rustybry.
You mean it won't move at all, just idle? Got a check engine light? What work was done in April?
EDIT: I'm the slow typist today!

 

Got it! a wire inside the engine was off.....it works fine now...thanks for you help...this old girl needs a lot of engine help at times!

 

Let us know which wire for future reference. a couple on months ago someone had the same issue but i dont remember what his outcome was

 

I thought it was because you were missing the other .1L .

 

HEY! we were ALL newbies ONCE!!! Granted, some of us more recently than OTHERS, lol...

Glad ya got it fixed, and looking forward to hearing what wire it was!
Tom

 

Dang bowdown, you beat me to it
These be jokes
Tim

 

Yes, these be jokes.... you have entered the FTE zone... no mercy, lol!

 

The problem I had was resolved by replacing the #45 fuse. Same problem, but my instrument cluster was dead too. Someone else posted a wire in their steering colum had been chapped through the insulation and it was shorting out. The fuse issue I had was annoying since it is listed as IGNITION and throttle control.. How dumb of me to think if it was an ignition fuse that the thing would actually start.

 

ok, well I tightened the loose wire on Sunday and the truck worked all day...Monday am, got in it to go to work and it had no acceleration again. Starts fine just wont go! Late Monday the mechanic came to the house....it started and MOVED for him! Today worked all day. The only thing I have noticed is when the glow plug light does NOT come on...it wont accelerate..if it does come on, it will accelerate. any more ideals!

 

Is your truck A Cali or Federal??

 

federal....housed in Central Texas