Originally posted by jgillott
What fuel pressure readings are you getting at idle and at wot?
Originally posted by jgillott
I'm sorry, I must have missed the po216 code. That is associated with the VP 44 not the lift pump. I'm sure someone will correct me if I'm wrong but off the top of my head i think it means "Injection pump timing failure".
You may indeed have a bad lift pump which is a common problem on these trucks. It then leads to the VP 44 failure usually due to starving the pump of adequate fuel under certain situations.
Do a forum search on both lift pump and VP44 failures. This should give you adequate reading for the next few years.Seriously, if your problem continues, the information can give you some ammo for your next trip to the dealer.
Best of luck.![]()
Justin