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SUVs Jeep Liberty and Jeep Liberty Diesel Jeep Liberty Engine and Performance Problems
89 messages, Last post on Nov 30, 2009 at 4:55 PM
You are in the Jeep Liberty and Jeep Liberty Diesel Forum. Your Hosts are steve_ & tidester
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Replying to: smiler (Nov 13, 2007 8:35 am) - when a gear is engaged (R, D, 2, 1) the ECU should not allow the engine to go above 3600 rpm - when you have no warning light, a light pressure on the throttle and the engine goes up to 4000 rpm the ECU sees a NEUTRAL shifter position. When it sees this selection it also releases the clutches in the tranny. By moving the shifter from Drive into Neutral and then into Drive again I would think the shift sensor moves back into position (because it got loose). This thing is located on the tranny next to the shifter shaft. |
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As I mentioned, I put unleaded in my crd, and am trying to get the gas from the tank without dropping the tank. I am unable to put the hose through the gas intake. Is there a trick? Any ideas or am I going to have to drop the tank.
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Replying to: soltronic (Jan 05, 2008 12:14 pm) Some say you can unplug the fuel line that goes to the engine and turn your ignition on and let the electric fuel pump empty the gas that way. In the old days I'd get the tube in there and wrap a plastic bag around the opening. Then I'd blow into the pipe. The system would pressurize and I could stick the hose in my can, let the pressure start the siphon and not have to inhale any fumes or gasoline. That trick these days would probably ruin the vapor recovery system and trigger the check engine light. |
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ok, where to start... i have an 02 jeep liberty with about 87xxx miles on it. When everything went wrong, it all happened within a few days. This is the only vehicle for this household. A list of current symptoms: - ETC 3rd gear ratio incorrect - ETC 4th gear ratio incorrect - ETC cylinder 4 misfire - when it was running, the exhaust was a very heavy black cloud( looked like a diesel) - will not go above 3000 RPM( acting like its hitting a rev limiter , even in gear) - will not go above 40 MPH(acting like its hitting the governor) - the dash would make the space shuttle jealous(LIGHTS!) - only getting about 10 MPG! - will no longer start(still cranks) I am at my whits end. I have talked to multiple dealers. New dealers, and garages included. Nobody has any idea why it all happened within a few days. The transmission went into "limp mode" in the time it took to start it. (3rd and 4th gear ratio incorrect) No hints that something was about to die. Drove it to work fine, left work and it revved to the moon once it got past second gear. On the way to the garage the next day, it started to misfire and threw a trouble code. (cylinder 4 misfire) This is about the time the crazy limiters kicked in. On the way home from the garage it lost all power and started pouring black smoke out the exhaust. If i wasn't still paying on it, I wouldn't have it any more. I like the vehicle... just NOT this specific one. Any help would be greatly appreciated. Even an offer for a good drink would make me feel better. Thanks. |
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Replying to: ucanfarm (Mar 19, 2007 11:26 am) thanks 
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I recently wrecked my 2002 Jeep Liberty. I had 2 replace my crank sensor before the wreck. I had no problems with it before the crash. There is 107,000 miles on it and the mechanic said my engine is blown out and i need a new engine. This is true. I was wondering how i could find a new engine for a Liberty sport 3.7L 2002. Also do you think it was caused by my crash? Any response would be very helpful. Thank You.
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Replying to: javeglia (Mar 30, 2008 6:28 am) |
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Danman, Issue with your Jeep is common to the 3.7 and 4.7 Powertech Jeep / Dodge motors... very often, the camshaft and/or crankshaft position sensors will go bad, resulting in a misfire on various cylinders at various times. Dealer mechanics very rarely find this problem, because when you test the sensors on a bench, they usually show up good. Long story short, spend the 70 bucks (total) to buy the two sensors and replace them yourself. You'll be a happier man. |
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2004 Jeep Liberty, 6 cyc, just under 70k miles on it. The smell is not noticeable until the engine heats up but after just a few minutes, (the smell is beginning to appear sooner and sooner after turning it on and runing it) it smells sort of like burning candles that have been snuffed out. Very distinctive smell. One person believes it's the aluminum catalytic converter getting too hot and thus emitting the smell. I've had it for almost a year and this smell has just become noticeable in the past few weeks. Any ideas?
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Replying to: reneedaughtry (Apr 28, 2008 5:12 pm) If the smell is more like burnt paper, it could be a problem with your clutch. If it's more like burnt oil, it could be oil leaking onto the hot exhaust manifold. Anyone else have any ideas? tidester, host SUVs and Smart Shopper |
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