Engine stalls when warm

Tiny
BPHILLIPS6
  • MEMBER
  • 1996 JEEP GRAND CHEROKEE
  • V8
  • 4WD
  • AUTOMATIC
  • 240,000 MILES
1996 Jepp Grand Cherokee
seems like the choke might be sticking? The car runs great when it's cold. But, if I drive it for a while, then stop somewhere for 30 - 90 minutes, when I leave again the engine doesn't want to fire when I try to accellerate. It starts right up and idles fine.
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Wednesday, March 23rd, 2011 AT 12:36 PM

9 Replies

Tiny
KHLOW2008
  • EXPERT
Is the Check Engine Light indicating and have you tried to retrieve for trouble codes? Was anything done prior to this occurring?
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Wednesday, March 23rd, 2011 AT 1:38 PM
Tiny
BPHILLIPS6
  • MEMBER
Check engine light has been out for a long time. I have not tried to retrieve any codes. Recently vehicle overheated when my waterpump went out. Conditioned seemed to start after that.
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Wednesday, March 23rd, 2011 AT 2:24 PM
Tiny
KHLOW2008
  • EXPERT
Try checking for trouble codes. The overheating could have caused some sensors to malfunction, maybe working but slightly out of range. The Engine Coolant Temperature sensor is one thing you should check as problem seems to be tempearature related.
Do you have any coolant losses or overheating issues after water pump replacement?
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Wednesday, March 23rd, 2011 AT 2:42 PM
Tiny
BPHILLIPS6
  • MEMBER
Have not had any coolant losses or overheating. We replaced the radiator at the same time and temperature is holding great. Replaced catalytic converter several months back. Problem occurs at low speeds when trying to accelerate slowly. If I gun it it usually will go. Getting worse past few days. Now when in park I can not rev up the engine without pumping the gas and working at it. Only happens after I've driven stopped for a spell, then started the car back up.
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Wednesday, March 23rd, 2011 AT 2:54 PM
Tiny
KHLOW2008
  • EXPERT
Plugging in a scan tool to monitor the various sensors would be the best way to go about if no trouble codes are present. The throttle position sensor and MAF are 2 other items that can cause the symptoms described.
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Wednesday, March 23rd, 2011 AT 3:04 PM
Tiny
BPHILLIPS6
  • MEMBER
I try this. Thanks for your help.
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Wednesday, March 23rd, 2011 AT 3:06 PM
Tiny
KHLOW2008
  • EXPERT
You're welcome. Keep me posted of the outcome.
Have a nice day.
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Wednesday, March 23rd, 2011 AT 3:20 PM
Tiny
BRAD WILCOX
  • MEMBER
I have a 96 jeep grand Cherokee inline 6 with 85k and mine is stalling out also but only like 5 minutes after start up I have cleaned throttle body and sensors I have replaced crank sensor internal pickup in distributor and cap orotor wires plugs coil pack and it still is acting up any suggestions?
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Monday, May 1st, 2017 AT 9:57 PM
Tiny
CARADIODOC
  • EXPERT
You really should start a new question, and be sure to list the exact engine size, transmission type, and mileage. We use that information to tailor our answers. This is an old conversation between two people, and shows up on our list as already having received a reply. As a result, most of us won't read your addition or have a chance to reply. That won't get you the help you want.

There's no sensors to clean, and cleaning won't solve a stalling problem. What is the rest of the story? What does it take to get the engine restarted? Do you have to wait for an hour or will it restart right away? When the problem occurs, will the engine start if you hold the accelerator pedal down 1/4"?

Have you read and recorded the diagnostic fault codes? Do you know how to do that yourself? Has the battery recently been disconnected or run dead?
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Monday, May 1st, 2017 AT 11:09 PM

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