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Old 04-10-2013, 12:29 PM   #1
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Lurching and stalling...

So, part of the theory in buying my 2000 TJ Sport last fall was to learn a bit about vehicles (well, learn everything really), and how to work on them. I've been noticing a few issues the last couple of weeks, and am looking at where to start for solutions.

1. She delays in shifting on the lower gears a bit. Seems to get better as she runs longer.
2. Sometimes while sitting at a light, she tried to lurch forward against the brake. No idea what causes that.
3. A couple of times she has stalled herself out at a light. It really feels like it is related to the lurching issue.

Anybody experienced similar issues? What was the result?

Thanks

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Old 04-10-2013, 12:44 PM   #2
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Auto Tranny?

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Old 04-10-2013, 11:38 PM   #3
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Clean the throttle body and IAC. That should help with the surge while sitting at idle.
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Old 04-11-2013, 04:44 PM   #4
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If it's an auto i've seen torque converters lock up at lights and coming to a stop and cause lurching and stalling.
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Old 04-11-2013, 07:43 PM   #5
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My 01 auto started a similar symptom where the jeep would shudder and sometimes stall when shifting from park into drive. Would behave like a manual tranny when the clutch would be engaged quickly, killing the engine.

In my case, the TCC was not being commanded "on" by the PCM; swapped a known good converter and the problem stopped.
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Old 04-12-2013, 04:32 PM   #6
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Quote:
Originally Posted by Dextreme View Post
Auto Tranny?
Yeah it's an auto. I'll have to start looking into some of these things to see if I can get it to improve...

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