My 2001 Ranger did the same thing. I had a vacuum hose with a crack in it. If that is the problem,you can take a small piece of curved radiator hose and two clamps to fix it. It is a cheap and effective way to fix it.
your fuel line has a leak when the truck is running cus that's when it is sucking fuel from the tank.check your lines when its running to find the leak.
You Probley have a blowed head gasket.
Fuel pump
There may be issues with the fuel pump or the fuel filter may be in need of replacement among other things.
Never disconnect a battery while an engine is running!
Partially clogged fuel filter or weak fuel pump. Replace the fuel filter.
The pathfinder may be running to rich. It could be the 02 senser,air flow senser, or bad gas
I dunno what the problem is but I have it and can't figure it out...I'm thinking I might have a damaged ligament or something might be wrong with my ovary....
What is wrong when your toenail starts turning green?
The drive belt is too loose. Tighten the belt. (but not too tight!)
The duration of Wrong Again is 1200.0 seconds.
sounds like air is still in the system try bleeding system again