2004 liberty Limited won't idle

[Rubber Ducky]

Trying to get some help here. My 04 liberty 3.7 randomly died while driving and now wont hold idle. I replaced the throttle position sensor but it only hardly helped. Still dies out on idle and if I hold the has gas at around 2k and slowly let off it'll hold a 1k idle for twenty or so minutes.. anyone have this problem??? In serious need of help on where to start looking I'm thinking crank sensor. Any response sent to [email protected] would be hugely helpful thank you

 

[rjkj2005]

Check engine light?

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[LibertyTC]

Yes any engine light on..codes then..?? odometer trick to see codes...key, on-off on-off-ON
can try cleaning the IAC as it controls idle and probably dirty/plunger sticking?
Link: http://www.jeepkj.com/forum/f196/idle-air-control-no-screws-44826/
see post #10 ^

 

[tjkj2002]

The TPS has nothing to do with the idle,the IAC does that and most common issue in Chrysler's for not holding idle is a bad battery.May test okay and start the vehicle but during cranking the voltage drops to low and resets the PCM memory thus resetting the IAC and will not idle.

A major vacuum leak also can cause your issue.