Engine/Transmission (1998.5 - 2002) help code p1688 ?

[ljimenez]

hey guys , i have a huge problem, truck was running a little low on power and running a little hot 225 degrees, then it just quit. it would not re-start , checked codes and found code p1688. vp44? please help.

 

[Bob Wagner]

yep, time for a new injection pump. do you use a fuel pressure gauge?