- #38 of 42
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Re: 2002 jeep liberty 3.7 gas [bobsram93]
by nelson33
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Sep 14, 2009 (6:09 pm)
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Replying to: bobsram93 (Sep 07, 2009 4:27 am)
Had a similar problem with my wife's 03 Liberty. Got a P0452 (medium evap leak). Good thing I have my Chilton Jeep manual. P0452, 0455, and 0456 are leaks in the evap system. It's located in the rear to the front left of the gas tank. Small black box is the EVAP container. Has a couple of hoses running to it from the gas tank. With a flashlight, noticed one of the hoses was pretty split. Ordered a new hose from the dealer which unfortunately comes with the entire line that runs from the back to the front along the bottom driver side. Tedious to replace but got it done. However, you don't have to do that. Simply remove the rubber portion from the new tubing and replace the damaged piece only. In my case, the entire line cost only $25. Reset the computer by removing the neg battery terminal and the code is gone.........so far. It's a week later and no code. Get under the car and confirm if any tubes are damaged.
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- #39 of 42
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Re: 2002 jeep liberty 3.7 gas [nelson33]
by bobsram93
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Sep 15, 2009 (3:29 am)
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Replying to: nelson33 (Sep 14, 2009 6:09 pm)
Thank you for answering.I think I found my problem the problem you were right there is that hose and one on drivers side firewall spit as well.I found it when I decided to replace all the hoses.Thank you
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- #40 of 42
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Re: 02 libby code P0303 [jcbux]
by red40
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Oct 01, 2009 (2:43 pm)
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Replying to: jcbux (May 05, 2007 11:37 am)
i have a 02 jeep liberty and i bought it with a #2 cyl misfire and after taking off the pas side head i found the piston and combustion chamber (#2) destroyed! but the jeep still ran and ran well! so i bought a new head ($350) not from the dealer and a new piston ($85) and it runs like a champ now. got 5000 miles plus on the new parts and everythings ok. what happened is the #2 valve seat (stainless steel) came dislodged from the head (possibly from over heating) and when the valve closed on it it shattered destroying everything it touched! but fixable!
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- #41 of 42
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Re: 02 libby code P0303 [red40]
by 02jeepwoes
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Oct 02, 2009 (2:25 pm)
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Replying to: red40 (Oct 01, 2009 2:43 pm)
Thanks so much for the reply...it's sitting in the driveway waiting for repairs. I hate to get rid of it, having been spoiled with the leather heated seats. The subaru I bought to replace it doesn't have that luxury...but it runs!
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- #42 of 42
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2004 liberty limited 3.7L Problem
by catchell1
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Oct 06, 2009 (7:27 pm)
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Code P0300 misfire detected. What could it be other than $2000. Engine runs rough on cold start up, Then seems fine after it warms up. Thanks for your advice.
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