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Re: Jeep Grand Cherrokee won't stay running
[Re: 70HemiGTX]
#887406
12/24/10 07:11 PM
12/24/10 07:11 PM
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Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
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any recent changes? Happened all of a sudden? take out idle mixture screws and shoot a 2 second blast of starting fluid in each one then reinstall the screws (count the turns to get em back the same). classic vacuum leak symptom. Holler when you find something
live every 24 hour block of time like it's your last day on earth
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Re: Jeep Grand Cherrokee won't stay running
[Re: 70HemiGTX]
#887408
12/24/10 07:17 PM
12/24/10 07:17 PM
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Joined: Jan 2010
Posts: 667
Los Osos, Ca
CKessel
mopar
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mopar
Joined: Jan 2010
Posts: 667
Los Osos, Ca
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Check your battery. It might be battery time.
Carl Kessel
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Re: Jeep Grand Cherrokee won't stay running
[Re: 70HemiGTX]
#887409
12/24/10 07:47 PM
12/24/10 07:47 PM
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Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
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didn't realize it was FI.
I'm totally lost on the new stuff and anything I might suggest would only add to the prob. Good luck w it.
live every 24 hour block of time like it's your last day on earth
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Re: Jeep Grand Cherrokee won't stay running
[Re: CKessel]
#887410
12/24/10 07:57 PM
12/24/10 07:57 PM
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Joined: Jan 2003
Posts: 6,816
Alton, IL
Dakota_Don
master
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master
Joined: Jan 2003
Posts: 6,816
Alton, IL
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Quote:
Check your battery. It might be battery time.
thats how mine acted when the batt was bad
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Re: Jeep Grand Cherrokee won't stay running
[Re: CKessel]
#887414
12/25/10 01:58 AM
12/25/10 01:58 AM
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Joined: Jan 2003
Posts: 5,444
So Cal
Sinitro
master
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master
Joined: Jan 2003
Posts: 5,444
So Cal
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Quote:
Check your battery. It might be battery time.
Good catch..
If the battery is weak when the idle drops down below 1K, the alternator's output drops..
And the battery does not have enough juice to keep the computer & ignition running.
I had that issue with my 98 Dakota..
Just my $0.02.. 
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Re: Jeep Grand Cherrokee won't stay running
[Re: 70HemiGTX]
#887417
12/27/10 11:45 PM
12/27/10 11:45 PM
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Joined: Jan 2008
Posts: 553
DE
Ply72rr
mopar
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mopar
Joined: Jan 2008
Posts: 553
DE
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Quote:
Had the battery out two weeks ago to replace the headlight bulb, but it was fine till just today. I'll check the battery better tomorrow. My wife said at first it was dead, but I jumped it and it ran fine. Even started on it's own after shutting it off.
We run into the no idle condition anytime one of the dodge vans in our fleet runs the battery down and needs a jump start. After conecting the jump cables I unplug the ECU for about 30 seconds and reconect it and then they idle normally.
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Re: Jeep Grand Cherrokee won't stay running
[Re: Ply72rr]
#887419
12/28/10 09:43 AM
12/28/10 09:43 AM
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Joined: Jan 2003
Posts: 2,361
PA
70HemiGTX
OP
top fuel
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OP
top fuel
Joined: Jan 2003
Posts: 2,361
PA
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Quote:
Quote:
Had the battery out two weeks ago to replace the headlight bulb, but it was fine till just today. I'll check the battery better tomorrow. My wife said at first it was dead, but I jumped it and it ran fine. Even started on it's own after shutting it off.
We run into the no idle condition anytime one of the dodge vans in our fleet runs the battery down and needs a jump start. After conecting the jump cables I unplug the ECU for about 30 seconds and reconect it and then they idle normally.
Only probem was that my wife drove the thing for about 2 weeks before it quit on her.
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