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92 jeep Cherokee 4.0 Will Not Start

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Old 09-02-2011, 03:12 PM   #1
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Default 92 jeep Cherokee 4.0 Will Not Start

After hurricane irene passed over my jeep wouldn't start.
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About a year ago i was parked up a hill and the jeep wouldnt start, so i rolled down the hill to a flat spot and she cranked right up, I figured that some air got in the line or a fuel filter. It hasnt down that since.

About 5-6 months ago I went to the store and she wouldnt idle up like normal, i had to keep my foot on the gas. after i cut it off and came out back and started it and ran fine till now.

I went to crank the jeep up after irene went over with about 15 inches of rain, and she wouldn't start, ive tried numorous times. She is getting fuel i pulled the fuel line of the the fuel rail and it checked out fine. All my plugs and wires look fine. I figured it was the iginition coil and i replaced that and she still want start.

She turns over fine from the starter just not firing.


Sorry for being so long, Thanks for any and all help I cant afford a mechanic
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Old 09-02-2011, 03:36 PM   #2
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have you done the key on key off method to check codeshttp://jeep-xj.info/HowtoECUcodes.htm
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Old 09-02-2011, 03:43 PM   #3
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There are plenty here who know better than me but....If you have no spark from the coil you might want to consider the crank position sensor. It's near the top of the bell housing on the drivers side. Has two wires with a connecter near the back end of the valve cover. Unplug and clean those connections there, AND disconnect your battery. Then put it all back and try it. Also there is a way to test the sensor with a meter.

I had to change mine years ago, I hear both that sensor AND those connections are a common problem. Good Luck! Don.
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Old 09-02-2011, 03:49 PM   #4
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CPS might have gotten saturated with water, either replace it or undo the connector on top of the intake and let it dry or blow it out then try it should fire up.
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Old 09-02-2011, 04:17 PM   #5
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i just did the codes and it was 3flashes 5 flashes 4flashes 5flashes 5flashes
it said 55 was the end code and i thing 3 is just telling that it was working so i guess it is code 54 Distributor sync pickup. is this hard to replace
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Old 09-02-2011, 04:44 PM   #6
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I undid the connector and there was a watery oil in there I unhooked tried to blow out the female side and wiped out the male side. I hooked back up still no start, im gonna leave unhooked 2 night hook up in the morning and see if it will start and see if i still get that code
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Old 09-02-2011, 04:46 PM   #7
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Sounds like your talking about the pickup coil, aka cam position sensor.

Its real easy to fix.

Just a tad expensive.
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Old 09-02-2011, 04:52 PM   #8
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Quote:
Originally Posted by miltontl View Post
i just did the codes and it was 3flashes 5 flashes 4flashes 5flashes 5flashes
it said 55 was the end code and i thing 3 is just telling that it was working so i guess it is code 54 Distributor sync pickup. is this hard to replace
do it again each codes has two numbers its gonna be even flash counts never gonna be 5 numbers. hook the connector back up first
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Last edited by freegdr; 09-02-2011 at 04:54 PM.
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Old 09-02-2011, 05:29 PM   #9
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Here is video of code http://youtu.be/TQbxd3AQ2Jk

and picture of cps
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Old 09-02-2011, 05:46 PM   #10
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Hi. The utube deal is not working for me. Also the cps sensor connection (on mine) looks the same and is located back by the firewall on the drivers side, with two wires going down. D.
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Old 09-02-2011, 05:50 PM   #11
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http://www.youtube.com/watch?v=TQbxd...ature=youtu.be
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Old 09-02-2011, 05:51 PM   #12
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codes were 12,54,55 code 54 sync sensor replace it
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Old 09-02-2011, 06:00 PM   #13
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my 89 you gotta pull yhr dist my 94 you dont dont no about yours mark where the rotors pointing if you need to pull it heres a litte pic of how the dist comes apart start at the pin its pretty self exphttp://www.jeep4x4center.com/jeep-se....swf#toolbar=0
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Old 09-02-2011, 06:05 PM   #14
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so did the water cause it short out. by the way thanks not going be able to replace yet dont have any money
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Old 09-02-2011, 06:11 PM   #15
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who knows never no when an electrical parts gonna go
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