ChuckD
NAXJA Forum User
- Location
- Kerman, CA
93', HO 4.0, manual, ~150k
Well this past weekend running the Ershim side of the Dusey/Ershim trail. Going in did not have a single problem, coming back out is when it all started. Myself and the trail party coldn't figure out why my jeep started sputtering, then stall, and not start back up until after 10-15 min with the hood up.
The only main condition that I could figure out was when the temp reach 210 on my gauge. Later I figured out if I turned on the heater and craked the hood, I could keep the Temps down to 180. This problem only happens when I was crawling down the trail, at on-road speeds (25-65) the air passing through the vehicle keeps the temps down and I don't need to run the heater or crack the hood.
When it does stall, I loose spark, the fuel pump primes and has good preasure. As soon as the faulty sensor/coil cools down I can start it backup and runs fine util it gets hot again, unless I turn on the heater.
This is the age of some of the main culprit sensors:
CPS - changed many of them (not sure if they were bad, but they were within the warrenty period, so I just got them replaced with new ones), probably only 6 mos old
MAP- 10 mos
Engine Temp- 6 mos
O2 - 1.5 years
coil - 1 year
Distributer - 1 year
Plugs and wires - 1 year
What could it be?
Thanks,
Chuck
Well this past weekend running the Ershim side of the Dusey/Ershim trail. Going in did not have a single problem, coming back out is when it all started. Myself and the trail party coldn't figure out why my jeep started sputtering, then stall, and not start back up until after 10-15 min with the hood up.
The only main condition that I could figure out was when the temp reach 210 on my gauge. Later I figured out if I turned on the heater and craked the hood, I could keep the Temps down to 180. This problem only happens when I was crawling down the trail, at on-road speeds (25-65) the air passing through the vehicle keeps the temps down and I don't need to run the heater or crack the hood.
When it does stall, I loose spark, the fuel pump primes and has good preasure. As soon as the faulty sensor/coil cools down I can start it backup and runs fine util it gets hot again, unless I turn on the heater.
This is the age of some of the main culprit sensors:
CPS - changed many of them (not sure if they were bad, but they were within the warrenty period, so I just got them replaced with new ones), probably only 6 mos old
MAP- 10 mos
Engine Temp- 6 mos
O2 - 1.5 years
coil - 1 year
Distributer - 1 year
Plugs and wires - 1 year
What could it be?
Thanks,
Chuck