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Jeep Liberty 2006 - Check engine light flashes when starting and then stays on solid after gaining some speed. When the engine is off for a period of time, like overnight, it starts normally and the check engine light does not flash. However, if the engine is off for a short period of time the check engine light flashes and then remains on. Also, it does not happen every time but about half the time. When this happens the engine hesitates and shakes until the check engine lights stops flashing. The dealer changed the spark plus but did not correct the problem.

Posted by Anonymous on

6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

StormStrikes
  • 104 Answers

SOURCE: Check Engine light flashes and car vibrates

The only scenario I am familiar with that causes a blinking or flashing Check Engine Light is misfires. Your description of the car shaking is another sign of possible misfires as well. There could be other issues, it would be helpful to know what codes are getting set. However, with the flashing check engine light and the shaking of the car the first thing I would do, if it hasnt been done in a while, is a tune up. Replace the plugs to start. I believe you have a distributorless ignition meaning that you have coil packs instead of a distributor.

Your coil pack sits on top of the plugs. Look to the left side of the engine, just at the bottom of the valve cover and you will see (assuming you have the 4.0L 6-cylinder engine) a series of three humps. Those three humps is your coil packs and there should be four bolts that hold it in. Take out those four bolts, pry up the coil pack and then you will have access to replace the spark plugs.

While your at it, Id replace the fuel filter, air filter and other general maintenance/tune up items like that.

Posted on Jan 02, 2009

bad_dog1
  • 104 Answers

SOURCE: 2000 vw bug shaking and check engine light flashing when driving

You have a really bad misfire going on. i would not drive the car but if you get it towed you can get the engine codes read which will give you more of an idea on whats going on. Otherwise its just a guess.

Posted on Mar 19, 2009

  • 36 Answers

SOURCE: 2003 AUDI Quattro 3.0 check engine light(MIL) stays on

Before you do anything else you are just going to have to read the codes. So buy the maintance book at autozone,locate the little juction box on the fire wall and jump the terminals with a little wire. Then of course sit in the drivers seat turn on the key(do not start) and read the blinks. Then you will know what the problem is.

Posted on May 06, 2009

SOURCE: Have a 2005 Jeep Liberty. After starting from a

The flashing light indicates you have a big misfire that could damage the catalytic converter.. Being you were going uphill (under high load) this would indicate an ignition issue. You may have a bad coil or wires or a bad spark plug. The reason you could only go 30mph was because the computer was put in limp mode. This is a stratagy to prevent excessive damage to components. , Get it checked out ASAP

Posted on Jul 15, 2009

johnjohn2
  • 5763 Answers

SOURCE: code po705= Transmission range sensor, circuit

i ve run into this problem a few times,with no cler results,i checked all wiring from computer to switch and all check out fine i also replaced switch and a month later same code,this one ended up with a bad pcm, another one had a bad wiring for overdrive switch, this was not an easy repair to diagnose.i think you should have amazda dealer look at it.

Posted on Mar 03, 2010

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May 05, 2010 | 2006 Jeep Liberty

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My dad's Liberty will start with no problem but then the engine light flashes 5 times and then will stall once it hits second gear-please tell me what the 5 flashes mean


I would take the vehicle to your local autozone and have the codes checked and that can tell you with a lot more accuracy what the issue is.
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Lee

Aug 12, 2009 | 2004 Jeep Liberty

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