Question about 2002 Jeep Liberty

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02 Jeep Liberty Codes - 2002 Jeep Liberty

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Posted on Jan 02, 2017

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SOURCE: 02 jeep liberty won't shift into 3rd or 4th gear.

Ratio codes generally indicate a pressure loss & slipping which the computer reads as a gear ratio problem. Likely you need a rebuild.

Posted on Mar 16, 2009

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SOURCE: Jeep Liberty AC stops then starts again later

Check or replace the relay. Just very possible.

Posted on Jun 11, 2009

  • 1 Answer

SOURCE: Install a 05 Jeep Liberty 3.7 in a 02 Liberty

BEFORE you put the engine in you must convert it with your old engine's crankshaft position ring and it's pick-up sensor. This ring can ONLY be changed with the engine upside down and out of the car. All rods must be disconnected, all mains are part of a cast saddle that must be removed, the front engine covers and all the timing chains must be removed, and finally the crankshaft must be lifted out and the ring must be hammer-unscrewed (impact screw driver, but I forget now if the taper-headed screws are allen, hex, star or phillips). DO NOT WASTE YOUR TIME REMOVING THE HEADS. The ring is ENTIRELY different than the one the computer system on the 02 Liberty can recognize (this is what triggers your spark timing). Next is the magnetic pick up 'wheel' located on the front of the passenger's side of the over-head camshaft. This magnetic cup wheel triggers the '02 fuel injection system (don't un-magnetize it). Lastly, the '02 plastic intake manifold (w/ O rings for seals) for the '02 has an additional port, this is an easy swap-out. Mostly there are no gaskets- the finish is so fine they just use a factory sealer (comes in a tube). Buy it, it's cheap enough and it matches the factory's specs. Taking the engine back out/in is NOT fun, but with the engine on a stand, and with no time constraints it's managable (but still not fun). I made that exact engine swap myself and went through a lot of anguish learning all of this. By-the-by, these engines will NOT tolerate dirty oil. DO NOT EVER try and stretch out your oil changes, because they run really hot (due to the windage tray that prevents oil mist from coating the engine's internals) an ash will form and goop up the insides. The fine oil pick-up screen (drilled plate) will always clog up. If it's been a long time since the last change and your engine is still running fine, when you get around to putting in new high detergent oil it sorta un-sludges the goop and REALLY coats the pick-up. DEATH BY SUFFICATION. If you're ever at this point (no damage yet) I would suggest doing the oil change (before there's any knocking or signs the engine is failing) and I would do 2 more oil & filter changes @500 miles each; hopfully you'll dislodge the ash/sludge and get it out of the engine. Once damage has started it progresses very quickly- this engine is not very tolerant. Your oil will be gold color, and yet your enging will sieze because it can't 'get to it'. BEST OF LUCK- this is very do-able, but you might first investigate if you can swap out the engine management computor and wire harness and maybe avoid all of this above mentioned wrenching. No back ground info here, plus I didn't have access to the vehicle the 05 engine was snatched out of- sorry, and good luck again. One last bit of advice- I bought a zero miles engine from a National Highway Admin. crash/test vehicle. When I broke the engine down ALL the timing marks on all three chains were not aligned and had to ALL be set- I guess they might do that to prevent the parts from re-entering the 'system'? Or, some dumb s__t at the factory was new and/or pi__ed-off and this engine was just plopped in the donated/untitled crash vehicle rather than ripping it back apart and re-assembling it. The damn Jeep fired on the second crank and is running fine now (2 years later). Ciao4Now, Brian Fahey

Posted on Feb 22, 2010

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Dec 08, 2015 | 2005 Jeep Liberty

1 Answer

CODES P0300, P1128


po300 is random miss fire doubtful two O2 sensors bad at one time most likely coolant temp sensor is bad causing engine to run rich this will cause O2 sensors to throw a code(thats what they are there for..exhaust gas temp. and raw fuel) running rich will also fowl spark plugs(=miss fire) P1128 ??

Mar 20, 2013 | 2006 Jeep Liberty

1 Answer

02 jeep liberty flooding


Check the fuel pressure ,high pressure will cause the injectors to leak. if pressure is within range suspect map sensor

Feb 27, 2013 | 2003 Jeep Liberty

2 Answers

WHAT KIND OF BRAKES ARE ON THE REAR OF A 2002 JEEP LIBERTY


Drum brakes are on the rear of the 02 Jeep Liberty.

Feb 04, 2010 | 2002 Jeep Liberty

2 Answers

Firing order diagram 02 jeep liberty 3.7L


2002 Jeep Liberty Limited Edition 4WD 3.7 liter SOHC V-6 VIN "K"

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Also, here can find the Jeep KJ Service Manual

Hope helps (remember rated this help) Good luck.

Jan 22, 2010 | 2002 Jeep Liberty

1 Answer

BRINGING UP CODES


replace the evaporative emissions leak detection pump, this is a known fault with this system and model.

Oct 07, 2009 | 2002 Jeep Liberty

1 Answer

02 jeep liberty won't shift into 3rd or 4th gear.


Ratio codes generally indicate a pressure loss & slipping which the computer reads as a gear ratio problem. Likely you need a rebuild.

Mar 16, 2009 | 2002 Jeep Liberty

3 Answers

2003 jeep liberty air bag light on is it easy to fix


The system needs to be checked for cades. Airbag codes are pulled out of the ECU with the use of a scanner tool. A good auto mechanic shop will have this or you can go to the dealer. YOU SHOULD NOT TRY TO REPAIR THIS YOURSELF,YOU COULD ACTIVATE THE AIRBAG!!!!!

Nov 11, 2008 | 2002 Jeep Liberty

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