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Old 06-30-2014, 12:04 PM   #241
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Been looking for an ECU. no luck yet. I can get one from ebay, but would like to find one I can borrow to see if that is the issue. I am thinking my issue may lie in the Throttle position Sensor. According to the test procedures in the manual it is no good. The output voltage ranges from 65 MV at closed throttle to 1.5 volts at WOT.

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Old 07-02-2014, 08:30 PM   #242
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Got another ECU tonight and guess what?



It's alive!!!

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Old 07-02-2014, 08:47 PM   #243
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I love the piece on your engine that shaped like a skull
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Old 07-02-2014, 08:52 PM   #244
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Thanks. Thats a weld on skull from Ballistic Fabrication. It' on my shock tower brace.
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Old 07-02-2014, 10:57 PM   #245
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Got another ECU tonight and guess what? It's alive!!!
congrats man!!
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Old 07-02-2014, 11:12 PM   #246
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Sounds mean
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Old 07-03-2014, 09:22 AM   #247
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No exhaust after the Y pipe. It should sound pretty good once I get my Flowmaster on there.
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Old 07-03-2014, 07:10 PM   #248
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Congratulations man!!!
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Old 07-03-2014, 10:42 PM   #249
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So psyched to see it alive again congrats go hit the trail
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Old 07-07-2014, 10:21 PM   #250
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Started working on the exhaust tonight. Have to route it from the stock ZJ Y pipe up above the tranny cross member. Not quite a mandrel bend but it will do.

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Old 07-09-2014, 03:59 PM   #251
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Oh, that looks like some backwoods engineering
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Old 07-09-2014, 05:32 PM   #252
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Thats what I do Joe. It's a cheap temporary solution. Once I get some headers and dual exhaust it will get done right.
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Old 07-09-2014, 10:27 PM   #253
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I have no idea how im going to fit my flowmaster under my Jeep with those long arms. I can put it way in the back where the gas tank used to be but I really dont like that idea.

So...the Jeep runs for a couple minutes and dies on me now. Once it dies it won't restart for about ten minutes. Any advice on where to start?
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Old 07-10-2014, 05:48 PM   #254
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You need to determine if the inability to restart is due to spark or fuel. Spark is fairly easy - you have it or you don't. Fuel could go either way - to much fuel it will not fire and not enough fuel it won't fire. I would check spark first and if it has spark pull a spark plug to see if it is wet or dry.

All that will do is help ID the problem area but the actual problem may be harder. It could be that the computer is running the few minutes in open loop mode but as soon as it switches to closed loop the feedback loop is doing something that kills it.

Let us know what the base problem is (above) and we may be able to help point you in the right direction.
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Old 07-16-2014, 08:38 PM   #255
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I talked with Steve about your 2 minute run time, and he said basically the same thing that WICruiser stated.

He did also say that it could be because of the lack of backpressure from the open exhaust is giving the O2 sensor fits.

And, or, (I know you don't want to read this one) the capacitors in the ECM are heating up and causing the shut down to happen. Hence the reason it takes 10 minutes to restart (time for the capacitors to cool down).
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Old 07-16-2014, 09:04 PM   #256
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Well, haven't paid for the ECM yet so I can just give it back. Not getting any CEL codes so I doubt it's any of the sensors. Looks like I should just buy a new ECM so I know it's good.
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Old 07-18-2014, 02:17 PM   #257
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He told me that a simple static electricity charge will ruin them.

They have to wear a grounding strap from their wrist to the body when doing anything electrical to the ECM. And the sequence of hooking up the battery matters as well.

Always take the negative terminal off first, then the positive. And reverse when installing, positive on first, then negative. Keeps it from arcing. And take both terminals off of the battery.

Not my words, just his way of doing it at the dealership. I personally wouldn't think that they would be that sensitive, but who knows.
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Old 07-28-2014, 03:42 PM   #258
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I just had to make a post and move this one back to the top, It was getting pretty far down the page.

Did you get any further along on the completion of it? Was just getting curious since I haven't heard from you lately...Need any help?
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Old 07-28-2014, 04:17 PM   #259
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Not a whole lot going on. Cleaning up a few little things. Mostly just need some cash for a new computer and a few little pieces. I have to get my bigger smoker built in the next few weeks so any extra cash I have needs to go there.
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Old 10-21-2014, 09:42 PM   #260
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Wow, it's been a while since I have posted anything or done anything i guess. I fealt it was time to get back in the shop. Still need a pcm, but found some things to tinker with.

Went from this...

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I have needed to get rid of the red inner fenders for about 5 years. Wasn't a high priority obviously.

I also attempted to repair one of my pcm's by replacing the capacitors. That failed. I learned a bit so will try again on the other one.
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Old 10-22-2014, 11:16 PM   #261
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Yea funny how build threads seem to go dead lol. Mine is all but 6ft under..
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Old 10-23-2014, 11:53 AM   #262
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Yea funny how build threads seem to go dead lol. Mine is all but 6ft under..
Ive notice you haven't been posting any updates. what's going on with yours? I am sure you can find something to do on it. I actually took some time to make a list of what needs done on mine last night. It will help me keep an eye on the little things. There are plenty of things that still need done.
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Old 10-24-2014, 01:14 PM   #263
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the best part about coming in to a build thread late is you can read the whole thing without waiting for an update. But it sucks when you come to the end of the thread . fun looking jeep.
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Old 10-24-2014, 04:26 PM   #264
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the best part about coming in to a build thread late is you can read the whole thing without waiting for an update. But it sucks when you come to the end of the thread . fun looking jeep.
Well, you got lucky I guess, because this one is far from done. Starting to get back into things so updates will be coming soon.
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Old 10-26-2014, 11:58 PM   #265
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Ive notice you haven't been posting any updates. what's going on with yours? I am sure you can find something to do on it. I actually took some time to make a list of what needs done on mine last night. It will help me keep an eye on the little things. There are plenty of things that still need done.
Yea I've lost interest in posting. I guess the new wore off. I've been chasing down coolant leaks, grounding issues and putting stuff back together but that isn't too exciting to post about.
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Old 10-27-2014, 06:42 PM   #266
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Some little updates over the weekend.

Before


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After some gussets

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Some brake line brackets i'm too cheap to buy them so I threw these together.

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A little cardboard teaser of my new upper front shock mounts. I need a little more than 3" of up travel.

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Old 11-05-2014, 07:05 PM   #267
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You are running 1/2 ton ford hp44/9" axles right? I saw you mention that in another thread. What is your overal width with your wheels/tires on it?
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Old 11-06-2014, 06:13 PM   #268
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It is right about 80", as best I can measure by myself. 35 x 12.50 on 10" wheel with 3.5" backspacing.
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Old 11-06-2014, 07:01 PM   #269
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Hmm okay thank you. I will have to be careful with my wheel choice if mine end up under my rig, I can't be any wider than about 79", 76-7 would be better.
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Old 11-23-2014, 09:26 PM   #270
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I've been slowly working away at my list. I suppose I should post my list. Anyway, tranny lines repaired, power steering line replaced, electric fan temporarily wired, and new computer installed. It finally starts and runs.

I'm going to wire the fan into one of the unused relays in the PDC instead of the extra relay.

Now with the bad news. The power steering reservoir in leaking horribly. It gets worse...I have coolant in the oil. My dipstick isn't going all the way into the pan so it is possible that I have a little condensation in the tube, but it really doesn't look like i'll be that lucky. I need to drain the oil and see what I have going on. Then pull the pan to figure out my dipstick issue.

I thought I was almost there, but looks like a bit of a set back instead.

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