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Jeep Liberty Engine and Performance Problems

89 messages,  Last post on Nov 30, 2009 at 4:55 PM

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What is this discussion about? Jeep Liberty, Diesel, SUV

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#15 of 89 Re: Jeep Liberty engine number [tidester] by blkrbt Jun 08, 2007 (11:20 am)
Replying to: tidester (Jun 08, 2007 9:38 am) Thank you tidester
#16 of 89 Jeep Liberty O2 Sensors by toni13 Apr 03, 2007 (3:18 pm)
#17 of 89 Jeep Liberty 2002 O2 Sensors by toni13 Apr 03, 2007 (12:31 pm)
Help! I have had all four of my O2 Sensors replaced and my Check Engine Light is still on and the diagnostic is still stating it is the O2 Sensor.
#18 of 89 Jeep Liberty O2 sensor heating element by rjbush Jan 04, 2007 (4:21 am)
#19 of 89 Jeep Liberty O2 sensor heating element by rjbush Jan 04, 2007 (4:21 am)
My 2004 Liberty has been diagnosed by a mechanic with no power to the O2 sensor heating element which causes the engine light to come on. We have not found a wiring diagram for this. Can anyone help?
#20 of 89 Dealer say new liberty sputter is normal, can it be? by careyb Jul 10, 2007 (10:31 am)
#21 of 89 Dealer say new liberty sputter is normal, can it be? by careyb Mar 18, 2007 (9:53 pm)
Traded in my wonderful 2002 liberty for a new 2007. Right from the start it seems to have some hesitation, especially at lower revs. At 1000kms I brought it in and they said it was running normal, that newer liberty's with the 3.7 runs leaner and so it has a feeling of sputtering/hesitation as it drives. It's true that that is the feeling while driving but its very annoying. Any way to fix this? The revs sometimes jump around while driving on level roads. Because no codes showed up when I took it in they say nothing to be done.... I really regret getting rid of my 2002. Replies to this message: ucanfarm (Mar 19, 2007 11:53 am) careyb (Mar 19, 2007 1:15 pm) caribou1 (Mar 19, 2007 1:20 pm) and 2 more... caribou1 (Mar 19, 2007 1:17 pm) siberia (Mar 20, 2007 3:07 am) jayrider (Jul 10, 2007 10:31 am)
#22 of 89 conspiracy theory by ucanfarm Mar 19, 2007 (11:26 am)
When I get my jeep back from the shop I am checking out my theory. That the jeep is designed or has a major flaw in the fuel lines. As in air gets into the fuel system too easy. Either by the plastic fuel lines contracting and shrinking around a poorly designed o ring or some other depressurization in the engine of the fuel rail when you shut down; a check valve might not be closing right. I am installing a clear house near the engine so I can see how much air is in the fuel will post more on this later. In a nutshell do not believe your dealer, they are tying to fix it the easy way by ignoring a real issue that might later be life threatening. (as in stalling out due to excessive air in the fuel) Does your state have a lemon law? Replies to this message: libertyqueen (Mar 19, 2008 6:11 pm)
#23 of 89 Re: Dealer say new liberty sputter is normal, can it be? [careyb] by ucanfarm Mar 19, 2007 (11:53 am)
Replying to: careyb (Mar 18, 2007 9:53 pm) My last comment was trying to reply back to you. Anyways here is a web site, reading some of the comments on the petition will give you a better understanding. http://www.petitiononline.com/kjcrd/petition.html I would recommend taking it back till it gets fixed. This can be a tough nut to crack as your saying something is wrong with your truck that the mechanic can’t find on a computer. Ask your mechanic how long he went to school. Did the teacher teach him or her to be a mechanic by using the codes or by troubleshooting? I wish you luck as frustrated and tired of being told bullshit to get me out the door with no codes and a vehicle sold that is not to standard instead of looking at what is wrong. Replies to this message: careyb (Mar 19, 2007 1:15 pm) caribou1 (Mar 19, 2007 1:20 pm) careyb (Mar 19, 2007 9:30 pm) and 1 more... caribou1 (Mar 19, 2007 1:17 pm)
#24 of 89 Re: Dealer say new liberty sputter is normal, can it be? [ucanfarm] by careyb Mar 19, 2007 (1:15 pm)
Replying to: ucanfarm (Mar 19, 2007 11:53 am) Thanks for the thought on air getting into the fuel. Looking at all the comments on this site about transmission related hesitation, maybe it is even trany related as there certainly is lots of hesitation when the engine is at lower rpms. What points me in the direction of engine vs trany is that the feeling that the engine is sputtering happens even at hwy speeds. but at lower speeds around town it is just much more noticeable. Replies to this message: caribou1 (Mar 19, 2007 1:20 pm) careyb (Mar 19, 2007 9:30 pm) krecker (Oct 28, 2008 2:41 pm)

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