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Old 01-27-2012, 09:28 PM   #1
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Jeep turns over but won't start! Automotively challenged and need help badly!

So I totaled my truck last month and have my 95 - 4 cylinder Rio Grande as my back up and now it's down. A little history on the vehicle is that it sat for long periods of time over 5 and we be driven on average 3 or 4 times a month. I did however drive it from Nashville, TN to Jackson Hole, WY (1,300 miles) and it performed without missing a beat. I have been driving it on a daily basis now for 3 weeks.

So since I began driving the last 3 weeks it has been sputtering or hiccuping when I drive the Teton Pass (8,500 ft - Max Grade 10% very cold) which I travel over for work. It would be in 3 gear and would miss a beat as I topped the pass. Almost as if it stopped working for a split second.

2 days ago as I was topping the pass it quit on me. I tried to roll start it back down the pass but no luck. We thought it was the fuel pump but we pressed a little nozzle on the block and it has pressure. We also tested the plugs and we aren't getting a spark. I checked the fuses under the hood as well and they seem OK without any corrosion. I replaced the cap and rotar. The camshaft position sensor and it still won't start. Any help would be greatly appreciated!

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Old 01-27-2012, 09:46 PM   #2
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Also, I have trouble codes: 12, 33, 22, 23, 24. Which are: 33 Air conditioning clutch relay; 22 Coolant temperature sensor or circuit; 23 MAT sensor or circuit; 24 Throttle Position Sensor (TPS) sensor or circuit. And I couldn't find one for 12.

As well as my fuse for my tail light blew and immediately after I replaced it. It blew again. I'm not sure if that is related but I'm trying to disclose everything in hope of finding out the problem.

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Old 01-28-2012, 12:23 AM   #3
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Try replacing the crank position sensor.
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Old 01-28-2012, 02:12 AM   #4
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MIne did the same thing.....Check engine light was on....Replaced TPS and Oxygen sensors.....Runs well and lcheck engine light gone off
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Old 01-28-2012, 07:25 AM   #5
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Are you getting fuel or no? Have you tried a shot of fuel in the throttlebody to see if it will fire?

The computer will store codes...disconnect your battery, try to start it, then read codes again.
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Old 01-28-2012, 09:10 AM   #6
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If no spark try coil or distributer pick up
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Old 01-28-2012, 10:47 AM   #7
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First I'd like to say thank you so much to everyone who replied.

TYEWILLY - I actually replaced the Crank Position Sensor but accidentally called it a camshaft position sensor. I was sure that was the problem but sadly it wasn't.

brentd711 - I did put a couple spoonfuls of fuel into the throttlebody and then a quick spray of WD40 but neither worked. I also disconnected the battery and tried a restart. I have to check the codes though this afternoon.

Manwithplan46151 - I know I need to replace my TPS and Oxygen sensors but do you think those being faulty would cause me to lose my spark?

SCOOPYS-YJ - I will get my brother in law to check the coil while I'm at work and see if I can't find a distributor pick up.
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Old 01-28-2012, 11:19 AM   #8
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I just talked with Napa & Carquest and I will be picking up a TPS, Coil & Ignition Pick Up and will give them a go tonight. I'll report back if any of them work.
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Old 01-28-2012, 12:04 PM   #9
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Tps should not have effect on spark, 02 would affect timing and fuel....it could be the computer...its showing the symptoms
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Old 01-28-2012, 12:32 PM   #10
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Garyk - If I find that these fixes don't work what should I do to have the computer fixed or is it something that can easily be replaced? I can't think that a computer from 1995 is very advanced.
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Old 01-28-2012, 03:27 PM   #11
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There is a thread on here on repairing them,.. from what I have read its usually three diodes or capacitors (can't recall) but they can be removed and replaced with help from this thread. Rebuilt ones run from $150 to $300 depending on where you find one.
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Old 01-28-2012, 11:08 PM   #12
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code 12 usually means battery was recently disconnected

check your grounds, or see if you can find the short that is blowing the fuse. It is probably messing with the comp

I doubt if all the sensors went bad at once
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Old 01-28-2012, 11:11 PM   #13
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Tips from the beas

Check the ignition module, located in the distributor, then test the coil.
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Old 01-29-2012, 06:47 AM   #14
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I had mine die, no spark. After plugs, wires, cap, rotor, coil, crank Senor, cam sensor, I decided to try computer. Has been my DD ever since
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Old 01-30-2012, 04:45 PM   #15
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Well, I just replaced the coil and still no cigar. I'm going to try and check my grounds and at least fix the short that keeps blowing my tail lights. How would I check to see if the computer is the failure? Or is that something that I would just replace and see? And to check the ignition module do I need an ohm meter?
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Old 01-30-2012, 07:05 PM   #16
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I'm beginning to believe it is my computer (Powertrain Control Module). You guys would laugh if you knew how long it took me to found out that it was called a PCM. I also checked that the Jeep was grounded by making sure the wires were well plugged in (I don't have any meters)

I also noticed my panel lighting for my instruments is out as well. I checked the fuse(#10) and isn't blown so I'm thinking that is pointing to a faulty computer as well.

I'm ordering one tomorrow morning. Thanks everyone for your help.

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