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Jeep Liberty Problem Codes and TSBs

42 messages,  Last post on Oct 06, 2009 at 7:27 PM

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What is this discussion about? Jeep Liberty, Auto Repair, SUV

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#13 of 42 Re: Jeep Codes [bigwilliesjeep] by mdamick Jan 20, 2007 (6:55 pm)
Replying to: bigwilliesjeep (Jan 18, 2006 11:26 am) Here is what I have from my new code reader: P0203 INJECTOR CKT OPEN CYL 3 P1281 NOT DEFINED P0320 IGNITION/DISTRIBUTOR ENGINE SPEED INPUT CKT P0325 KNOCK SENSOR 1 CKT BANK 1 P0205 INJECTOR CKT OPEN CYL 5 P0330 KNOCK SENSOR 2 CKT BANK 2 P0700 TRANSMISSION CONTROL SYS (MIL REQUEST)   Maybe a bad plug in the harness?
#14 of 42 speedometer/odometer and check engine light by bobbyk1 Apr 10, 2007 (5:10 am)
My daughter owns a 2002 jeep liberty and the check engine light came on and the speedometer and odometer do not work. She is away at college and I want to have an idea as to what might be the problem and the approximate cost of repair. She is bringing it to a dealer today. Does anyone have a similar experience. Replies to this message: dannywon (Jun 10, 2007 7:36 am) grumpyjw (Jun 25, 2007 9:31 am)
#15 of 42 02 libby code P0303 by jcbux May 05, 2007 (11:37 am)
i have an 02 KJ with 93k miles and has recently been giving me headaches. the extent of my mechanical ability stops at changing fluids and plugs. check engine light comes on and i lose power. i pull off the road, turn the key off for a while and start up down the road again. it seems to happen going uphill, when i'm on the throttle. my garage (not a jeep dealer) has had my rig 5 times over the past month. their computer diagnostic has been the same every time - misfire #3 cyl. they replaced the coil and plug, but the problem remains and is getting worse. the local dealer can't get me in for 2 weeks. i've read the similar postings and i understand now the problem could be many things. this is my only vehicle and i'm limping it to and from work every day. unfortunately the warranty expired after 5 yrs. any advice?   thank you in advance, jc Replies to this message: deepsouth1 (May 27, 2007 4:30 pm) barrycordero (Sep 16, 2007 10:04 am) red40 (Oct 01, 2009 2:43 pm) 02jeepwoes (Oct 02, 2009 2:25 pm)
#16 of 42 Re: 02 libby code P0303 [jcbux] by deepsouth1 May 27, 2007 (4:30 pm)
Replying to: jcbux (May 05, 2007 11:37 am) Same happened to me at 80k miles, you have to replace the computer, because if don't it'll keep burning your coils. I see in this forum is a common failure, and is common they don't get it at a first glance(i went to a jeep dealer's service), they spent almost 4 weeks working on that.
#17 of 42 Engine Lights and Misfires -- PCM's by cbeal22 Jun 07, 2007 (1:43 pm)
I have had my 02 liberty in the local shop 4 different times. The codes have always indicated misfires. I believe on the number 4 cyclinder. After running through several tests by switching ignition coils, cleaning injecters, plugs etc. The shop owners believes it is a problem with a PCM and the dealer can fix it. When I took it to the dealer and talked about the PCM, he gave me the it might be covered it might not be covered under the 8/80,000 Federal Emissions Warranty. Currenty, I have 69,000. Are there really different scenarios for when a PCM is covered or not?   Replies to this message: barrycordero (Sep 16, 2007 10:06 am)
#18 of 42 Re: speedometer/odometer and check engine light [bobbyk1] by dannywon Jun 10, 2007 (7:36 am)
Replying to: bobbyk1 (Apr 10, 2007 5:10 am) I have a 2002 Liberty also and all I could say is good luck with the speedometer and engine light. I spend 3000 on it so far and have given up. No one can fix it. They tell me i need a new transmission but the transmission runs fine and Im not about to put in a new transmission for another $2700. This is the worst problem I've had with a vehicle ever.   There is a lawsuit in the future on this problem for sure.
#19 of 42 Re: speedometer/odometer and check engine light [bobbyk1] by grumpyjw Jun 25, 2007 (9:31 am)
Replying to: bobbyk1 (Apr 10, 2007 5:10 am) Had the same problem. Turns out its a speed sensor on the back wheel. There are 3 sensors but only one that effects the speedometer and odeometer. Easy to change out and not too expensive. Grumpy
#20 of 42 OBD2 trouble codes by gysgtsmith Jun 26, 2007 (9:41 am)
This is a useful site for diagnosing trouble codes:   http://www.obd-codes.com/   There are others too. Google search OBD 2 CODES
#21 of 42 O2 Sensor & Radiator Fan Control Circuit by wahnsinn Jul 16, 2007 (11:45 am)
Hi everyone, about a year ago my check engine light came on with both of these problems (O2 sensor & radiator fan control circuit), had both of them repaired and things were fine for a while. Now the light came on again...for the exact same things, same codes and everything. It's in being repaired again, but I'm curious what could keep causing these same two problems?   FYI, the exact two codes are:   P1491 Radiator fan control circuit problem (may be solid state relays as well as other circuits). P0153 HO2S Slow Response Bank 2 Sensor 1   Thanks for any help!   Tim
#22 of 42 **Update: O2 Sensor & Radiator Fan Control Circuit by wahnsinn Jul 18, 2007 (9:17 am)
Got her back from the dealer yesterday afternoon. They ended up replacing the O2 sensor, radiator fan relay, and radiator fan relay connector. I asked the guy if he could guess as to what would cause these things to go bad since I had just (a year doesn't seem like a long time) had them both fixed. He of course said, "I don't know". So I just have to wait and see if they go bad for a third time...

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