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  #1  
Old August 6th, 2009, 15:07
JeepsterXJ JeepsterXJ is offline
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2000 XJ - stalling issue

My battery died while I was putting in a new trackbar. Charged it up a little, and went to start it. Strong cranking, but no start. Took me giving it some gas to get it to fire.

It idles fine now - unless you are at 0mph. You can be going along at 1mph, but once you come to a complete stop, it goes down to 200rpm and will eventually stall.

I have another 2000XJ I can swap parts from, but don't want to do it blind if you guys have an idea on what I should zero in on.
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  #2  
Old August 6th, 2009, 15:12
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jneary jneary is offline
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Re: 2000 XJ - stalling issue

sounds like the pcm lost its memory from the dead battery. just statr it and keep it running, slowly decreasing the idle ant it should relearn
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Old August 6th, 2009, 15:14
JeepsterXJ JeepsterXJ is offline
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Re: 2000 XJ - stalling issue

Alright, and if I sound all antsy about a simple problem, its because I'm going to drive this 5 hours tomorrow in this is bad timing for an issue!
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Old August 6th, 2009, 15:19
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jneary jneary is offline
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Re: 2000 XJ - stalling issue

it should be ok, if it was fine before the battery was replaced
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  #5  
Old August 6th, 2009, 15:35
JeepsterXJ JeepsterXJ is offline
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Re: 2000 XJ - stalling issue

Thanks jneary. I put my spare ECU from off the shelf. No issue (except the CEL turned on, I assume from the foreign computer). Put in old computer. Light goes out, idles, take a test drive, all fine. Thing was just messing with me I guess.
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  #6  
Old August 6th, 2009, 19:24
bmfm64 bmfm64 is offline
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Re: 2000 XJ - stalling issue

put a full charge on the battery... low battery messes with sensors and such.
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  #7  
Old August 9th, 2009, 09:07
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birchlakeXJ birchlakeXJ is offline
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Re: 2000 XJ - stalling issue

What you describe could easily be a marginal battery. Have it load tested. It's the only conclusive way to deteremine battery condition.
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