Justpunchit
NAXJA Member #1291
- Location
- Jaffrey, NH
Rig Specs: 1991 4.0 HO mated to an AW4
So this is what is going on..
It takes a long long time to get running, but once it starts she runs fine. Now I shut it off and it just cranks and cranks and won't start fully. It's not a timed wait either, becuase sometimes it cranks and starts right back up other times it takes 15-20 minutes.
Any ideas?
Before someone asks, this is what was replaced. (I wasn't chasing a problem I just replaced things that were rotted, or I thought weren't up to par)
Fuel system:
Pump/sending unit
Filter
new hard and soft lines
pressure regulator
Ignition
cap&rotor
coil
wires
plugs
camshaft position sensor
throttle position sensor
battery
cables
After looking deeper into the problems this morning, I conducted a fuel pressure test and without cranking the engine I'm at 20psi then while cranking it's at 35psi. This may be a new sympton or maybe I'm just noticing now but I'm getting no spark anymore. I haven tested the CPS with an ohm meter yet, but I can hear my injectors click when it's plugged in and they stop clicking when we unplug it. What am I missing here? Is there something really obvious that I looked over?
thanks guys.
So this is what is going on..
It takes a long long time to get running, but once it starts she runs fine. Now I shut it off and it just cranks and cranks and won't start fully. It's not a timed wait either, becuase sometimes it cranks and starts right back up other times it takes 15-20 minutes.
Any ideas?
Before someone asks, this is what was replaced. (I wasn't chasing a problem I just replaced things that were rotted, or I thought weren't up to par)
Fuel system:
Pump/sending unit
Filter
new hard and soft lines
pressure regulator
Ignition
cap&rotor
coil
wires
plugs
camshaft position sensor
throttle position sensor
battery
cables
After looking deeper into the problems this morning, I conducted a fuel pressure test and without cranking the engine I'm at 20psi then while cranking it's at 35psi. This may be a new sympton or maybe I'm just noticing now but I'm getting no spark anymore. I haven tested the CPS with an ohm meter yet, but I can hear my injectors click when it's plugged in and they stop clicking when we unplug it. What am I missing here? Is there something really obvious that I looked over?
thanks guys.