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Old 03-23-2013, 07:18 PM   #1
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Parked for 2 days and did not want to run

So I had the Jeep parked for 2 days in the garage and I went out today to drive it and when I tried to start it, it acted like the battery was disconnected. I checked the terminals and everything was tight so I tried to start it again and it did but would not stay on unless I was on the gas but as soon as I let off it shut off. I managed to get it to drive but even then it shut off once the gas was let off but after a few minutes it finally stayed on by itself. Anyone got a clue whats going on?

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Old 03-23-2013, 07:37 PM   #2
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Quote:
Originally Posted by baker3
So I had the Jeep parked for 2 days in the garage and I went out today to drive it and when I tried to start it, it acted like the battery was disconnected. I checked the terminals and everything was tight so I tried to start it again and it did but would not stay on unless I was on the gas but as soon as I let off it shut off. I managed to get it to drive but even then it shut off once the gas was let off but after a few minutes it finally stayed on by itself. Anyone got a clue whats going on?
Seems redundant but were the battery terminals clean? Not just tight. I had a similar problem and ended up buying new terminal clamps and a terminal cleaner and remaking the ends and a year later no problems.

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Old 03-23-2013, 08:14 PM   #3
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Ya, the terminals are clean, I think I will just go buy some new ones because the battery is good so it must be the terminals.
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Old 03-23-2013, 08:51 PM   #4
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Probably not a battery issue. I would be looking at the fuel system...fuel pump, clean fuel pump relay and main fuse. Step by step move from pump connections to fuel rail pressure. Unless you have tools and test equip, better left to a tech
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Old 03-23-2013, 08:56 PM   #5
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Sounds like a weak/ bad battery. They will not idle if the battery voltage is low. Put the battery on a charger over night, check for a battery drain, and go from there.
Seen it many, many times.
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Old 03-23-2013, 09:08 PM   #6
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The terminals might not have had good contact, which could have made the computer 'forget' where to idle. After you restarted it it had to 're-learn' where to idle at which is why you had to keep the gas applied. That's what happened when I had my battery disconnected to install my fog lights. Sorry those arent technical terms but it makes sense, I think..
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Old 03-23-2013, 09:44 PM   #7
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Thanks for all the replies fellas, I will charge the battery for starters.
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Old 03-23-2013, 09:47 PM   #8
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Originally Posted by Patrick H View Post
Sounds like a weak/ bad battery. They will not idle if the battery voltage is low. Put the battery on a charger over night, check for a battery drain, and go from there.
Seen it many, many times.
^This. Sounds like when my factory battery bit the dust. No warning, just out of the blue. Tried to start it after sitting in my garage a few days. Nothing. Jumped started it with my jump box, but would not stay running without the pedal half way to the floor. I went and bought a new battery.

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