starts then stalls (automatic)
#16
Seasoned Member
Joined: Oct 2009
Posts: 329
Likes: 2
From: New York
Year: 1999
Model: Cherokee
Engine: 4.0
Originally Posted by craig gardner
I almost think i have a broken wire somewhere because if i "eff" with the cps wires in that area near the throttle body, it starts
#17
Member
Joined: May 2011
Posts: 199
Likes: 0
From: lewiston,maine
Year: 1999
Model: Cherokee
Engine: 4.0 straight 6
So wire tie the connection becuase it comes barely undone? Huh i did replace it so ,i could try that ,also im experiencing bogging of the motor and misfire so i saw something about insulating the injectors because the manifold gets too hot ,im wondering if its all related ? At least there is a CHEROKEE FORUM haha
#18
Seasoned Member
Joined: Oct 2009
Posts: 329
Likes: 2
From: New York
Year: 1999
Model: Cherokee
Engine: 4.0
So wire tie the connection becuase it comes barely undone? Huh i did replace it so ,i could try that ,also im experiencing bogging of the motor and misfire so i saw something about insulating the injectors because the manifold gets too hot ,im wondering if its all related ? At least there is a CHEROKEE FORUM haha
#19
Member
Joined: May 2011
Posts: 199
Likes: 0
From: lewiston,maine
Year: 1999
Model: Cherokee
Engine: 4.0 straight 6
Ya i found out about the cam sensor and havent replaced it yet but when i squeeze the connection while my friend starts it,it starts right up ,my jeep stalls at red lights ,wont start (unless i mess with wires) ,often the hazards come on when turning on left blinker,and boggs pretty good at the worst times like a misfiring of some sort
#20
Seasoned Member
Joined: Oct 2009
Posts: 329
Likes: 2
From: New York
Year: 1999
Model: Cherokee
Engine: 4.0
Originally Posted by craig gardner
Ya i found out about the cam sensor and havent replaced it yet but when i squeeze the connection while my friend starts it,it starts right up ,my jeep stalls at red lights ,wont start (unless i mess with wires) ,often the hazards come on when turning on left blinker,and boggs pretty good at the worst times like a misfiring of some sort
#21
Member
Joined: May 2011
Posts: 199
Likes: 0
From: lewiston,maine
Year: 1999
Model: Cherokee
Engine: 4.0 straight 6
The crank shaft sensor connection sorry i must sound like an idiot ,ya i hear the after market crank shaft sensors are commonly defective so i messed with the connection ,sprayed some electrical cleaner n that didnt help but when i had a buddy turn it over while i pushed the connection together ,,it started up again sorry for the confusion
#23
before you do anything to try and fix it. With your jeep running wiggle the computer connector and see if it stalls. I just chased this issue for a month and resplicing a new computer connector on is what fixed it.
#25
Are you sure this is related to fuel? If you think so you should try a fuel leak down test to see if your getting fuel pressure. You can rent the tool do it from Autozone.
A common problem is the CPS (Crank Shaft position Sensor). Now if this is an intermittent problem i would suspect that. Sometimes this sensor will just take a crap and you wont get spark. Or some times they will cause random stalling, rough idle, or just wont start period. The sensor is 90$ located by the bell housing on the tranmission and the plug is by the Intake Manifold.
Just a thought
A common problem is the CPS (Crank Shaft position Sensor). Now if this is an intermittent problem i would suspect that. Sometimes this sensor will just take a crap and you wont get spark. Or some times they will cause random stalling, rough idle, or just wont start period. The sensor is 90$ located by the bell housing on the tranmission and the plug is by the Intake Manifold.
Just a thought
BTW, I bought a cheapo ($45.00) from Rock Auto, installed it in the parking lot where the original failed, and it started right up. Then, about 2 miles down the road it failed again. I was lucky enough to safely coast into another parking lot. I got a tow to my house (AAA), bought a factory sensor for about twice the price and installed it. It's been about a year now without further problems. Don't cheap out on that sensor.
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