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| Rough Start P0300 code http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=3&t=50944 |
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| Author: | conewagner [ Fri Mar 12, 2010 10:12 am ] |
| Post subject: | Rough Start P0300 code |
I am having a rather unusual issue with my 04 sport. It will start and run fine after being parked on a level surface. However after parking on the street at our baby sitters house the KJ has a hard time starting again. The drive from my office to the sitters is about 20-30 minutes depending on traffic, plenty of time to get everything warmed up, and actually i just started having this issue since we got a bit warmer here in Chi-Town in the past week. I should note that i did have this same problem one time this winter, but i passed it off as i was nearly empty on the tank and figured that was the problem. However this week i have been at least half a tank when having the issue. The street that the sitter lives on is pretty heavily crowned so when parking on either side of the street you are at a noticeable angle, hence my thought that it was due to low fuel before but now i should have plenty for the pick-up to not be sucking air. It will crank and shudder and immediately die if you are just turning the key, i can give it a little gas and it will overcome the shudder and start. It also threw a P0300 code after the second day of rough starting. Oh and plugs were changed fairly recently. Any ideas? The only thing that i can think of right now is that with the temperature change that we are having right now maybe i have some water in the tank from condensation, but that is a ton of water if it is effecting it at a half a tank. Thanks for your help. |
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| Author: | WickedKJ [ Thu May 27, 2010 5:02 pm ] |
| Post subject: | Re: Rough Start P0300 code |
Did you ever find out what was causing this to happen? |
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| Author: | Jeep Dawg [ Sat May 29, 2010 9:55 am ] |
| Post subject: | Re: Rough Start P0300 code |
you should check the general discusion for a posting of mine: P300 is back again I have been having this same problem for 50K miles with no resolution |
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| Author: | Neatus [ Sun May 30, 2010 1:48 pm ] |
| Post subject: | Re: Rough Start P0300 code |
I had a similar problem. My Jeep would run fine at times and then would run rough after getting warm. Turned out that one of my spark plugs had a hairline crack and would stop sparking after a bit of driving. I would check out the little things like plugs and coil packs first. |
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| Author: | RED_KJ_666 [ Sun May 30, 2010 1:57 pm ] |
| Post subject: | Re: Rough Start P0300 code |
Link to General codes http://www.jeepkj.com/forum/showthread.php?t=39860 |
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