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  #13  
Old 10-16-2014, 09:03 PM
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Re: Starting "Issue"

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Originally Posted by Frango100 View Post
As long as the starting is not getting worse, i would not bother too much. Still would expect the TPS to be the troublemaker here.
That's my plan is to just leave it until it gets worse and hopefully throws a code. I just hate having things wrong with my vehicles. I like them to be in perfect running condition. If the TPS goes out completely, it should throw a code at some point.

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  #14  
Old 10-16-2014, 09:13 PM
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Re: Starting "Issue"

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Originally Posted by JeepMe View Post
That's my plan is to just leave it until it gets worse and hopefully throws a code. I just hate having things wrong with my vehicles. I like them to be in perfect running condition. If the TPS goes out completely, it should throw a code at some point.
The TPS could throw a code, or just become unstable and cause idle issues or even shift issues.
But if that happens, you will be at least sure the TPS is the problem and not waisting money for nothing.
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  #15  
Old 10-19-2014, 09:06 PM
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Re: Starting "Issue"

I hate this Jeep at times. For work I had to drive down to Huntsville, AL from Indiana. I get about 2 hours away and as I'm pulling out of the gas station I hear a bunch of clicking and dinging. I look down and my gauge cluster is going crazy. The needles are flicking up and down, the lights are going on and off, and the odometer is flashing on/off. After about 10 seconds everything returns to normal except the ABS and parking brake lights remain illuminated. As I'm driving, I notice that the voltage gauge is fluctuating up and down (see video, sorry it's bad I just pointed and left it there without looking while I was concentrating on driving).

So as it's getting later and towards dusk I turn my lights on. That results in the tachometer and speedometer going to zero and some more clicking and lights. I'm not sure if it caused the Jeep to die or if it was just the tachometer, but I immediately turned the lights back off and everything kept running. Now the brake and ABS lights were flashing at me and the speedometer stayed at zero. When I came to a quick stop, everything went back to normal driving. I was too afraid to turn on the lights or turn off the Jeep so I made it to my hotel and parked it.

After I parked I turned on the lights.....worked fine. So I turned the Jeep off and then back on. Now it started throwing a code and wouldn't idle w/out a little gas; P0505 bad IAC. But I'm not convinced it's a bad IAC because something else is clearly going on here. I came back about 1 hour later and the Jeep started up like normal and ran like normal (idled just fine).

Tomorrow I'm planning on taking it to Autozone so they can test the alternator and battery. If those test good, any ideas? Some searching seems like it might be a PCM going bad. Apparently you can buy them pre-programmed online for under $200. But since I'm not at home I'm sure I'll pay out the ass from the dealership.

*EDIT* Forgot the link: http://s184.photobucket.com/user/Pwr...tml?sort=3&o=0
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Old 10-19-2014, 10:05 PM
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Re: Starting "Issue"

I do think that the alternator is the problem, eventhough the voltage regulator for the alternator also sits inside the PCM. For now would not expect the PCM. Let us know how the alternator and battery test out.
And yes, having a jeep is a love/hate relationship.
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  #17  
Old 10-19-2014, 10:34 PM
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Re: Starting "Issue"

Quote:
Originally Posted by Frango100 View Post
I do think that the alternator is the problem, eventhough the voltage regulator for the alternator also sits inside the PCM. For now would not expect the PCM. Let us know how the alternator and battery test out.
And yes, having a jeep is a love/hate relationship.
I know all about the love/hate relationship. When it runs, I like it. But my Jeep always seems to be breaking. In a situation like this where I'm hundreds of miles away from home, it's very much a hate because I want something reliable.

Hopefully it's an alternator because I think I can change that in the parking lot.
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  #18  
Old 10-20-2014, 09:30 AM
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Re: Starting "Issue"

On these computer controlled cars constant voltage is very important. My dad talks about fighting random things at the shop which ended up being a bad battery or alternator.
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Old 10-20-2014, 10:26 PM
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Re: Starting "Issue"

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Originally Posted by Trav1s View Post
On these computer controlled cars constant voltage is very important. My dad talks about fighting random things at the shop which ended up being a bad battery or alternator.
I started the car up this morning and it ran fine. I drove it to the meeting and it ran fine the whole time. During lunch I took it to AutoZone and they tested the alternator and it tested fine. Then they tested the battery and it tested bad. So I got a new battery and it still runs just fine. Crossing my fingers that it was the battery and the issue doesn't return.
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Old 10-22-2014, 02:44 PM
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Re: Starting "Issue"

Hey JeepMe,
I think your entire issue may be loose battery connections, at least the issue with the lights flashing and the gauge needles flicking. If the terminals were not cleaned when you got the new battery, make sure they get cleaned. I had a similar intermittent starting issue and one day my needles went all the way around so that they were pointing down, I had to do the needle reset procedure where you turn the key and hold the TRIP reset button until it pulls the needles back to where they should be. I installed a new negative terminal to replace a corroded/ damaged one and a battery and everything has been fine for months.
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  #21  
Old 10-22-2014, 08:02 PM
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Re: Starting "Issue"

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Originally Posted by 5.7Unlimited View Post
Hey JeepMe,
I think your entire issue may be loose battery connections, at least the issue with the lights flashing and the gauge needles flicking. If the terminals were not cleaned when you got the new battery, make sure they get cleaned. I had a similar intermittent starting issue and one day my needles went all the way around so that they were pointing down, I had to do the needle reset procedure where you turn the key and hold the TRIP reset button until it pulls the needles back to where they should be. I installed a new negative terminal to replace a corroded/ damaged one and a battery and everything has been fine for months.
The battery did test bad on the tester so a new one was necessary. Since I wasn't home and install was free I had them do it and they cleaned the terminals. Everything seems to be operating normally since Monday. Granted, that's 1.5 days and only about 15 miles of driving. But I have my fingers crossed. Thanks for your input.
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