I have a 98 Ram 5.9 Ext Cab 4x4 that is giving me some minor grief.
Whenever it has sat for a while (more than 10 minutes) I have to cycle the
key 2 or 3 times to get it to fire. If I don't, it will crank but not fire,
until I stop, turn it off, turn it on and then it fires immediately.
I can assume that this is a fuel delivery problem. I was hoping that
someone else has had this problem and can point me in the right direction
before I go throwing parts at it. I have not yet tested the fuel pressure
in the rail, so I can't supply that data.
My guesses are these:
1: Air leak in the fuel rail allowing fuel to drain back into tank.
2: Weak fuel pump not getting enough fuel to rail fast enough
3: Fuel pressure regulator toast
4: Injector leaking fuel into engine.
I appreciate any constructive advice you could provide!