Question about 2003 Jeep Liberty

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02 jeep liberty flooding

02 jeep liberty with a 3.7 starts and runs rough and then floods itself to death.i pulled the plugs and they are wet with gas

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  • Jeep Master
  • 513 Answers

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

Posted on Dec 04, 2014

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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Mikey108
  • 475 Answers

SOURCE: 1987 jeep cherokee larado

Where is the gas leaking from? To clear a flooded engine, keep your foot all the way down on the gas pedal while you try to start the car. As it starts keep holding until it sounds like it's smothing out then slowly release. You can also change the spark plugs if that does not work.

Posted on Oct 31, 2008

  • 2 Answers

SOURCE: Jeep Liberty AC stops then starts again later

Check or replace the relay. Just very possible.

Posted on Jun 11, 2009

ahmed_mmm
  • 72 Answers

SOURCE: my jeep is flooding and then shuts off

maybe defective sensor .
u need to scan it by diagnostic tool

Posted on Sep 16, 2009

  • 57 Answers

SOURCE: my 02 jeep liberty will not stay running after its

Common issue would be a crankshaft position sensor, but there are other possibilities

Posted on Nov 20, 2009

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  • 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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