Question about 2004 Jeep Liberty

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Jeep Liberty 2004 error code P0144

I've been getting the code P0144 periodically for about 4-5 months. Seems to go off after I re-seat the gas cap (bought new one too), but comes back on a few weeks later.....stays on for a week or 2 then goes off. I got the code from a Scan Gauge device that plugs into the computer port. 106,000 miles. Runs fine..... what could be the cause ?

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  • rnolan110 Jun 18, 2008

    Yes very !!!!!!!
    The faulty fuel possibility ocured to me too !

  • rnolan110 Jun 18, 2008

    So far I've received 5 solutions from 5 different techs, but I can only view the first one. ALL links in the other emails point to it rather than the other solutions.....so what's THIS solution ??

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The problem that you are having is with the TPS Throttle position sensor. It is located on the side of the throttle body. follow the air breather box to the intake, you will see the throttle linkage the connector on the other side is the sensor.

rate the solution as fixya.

Posted on Jun 18, 2008

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Hi,

Please CLICK HERE for the user manual.P0144 error means Oxygen sensor input voltage maintained above normal operating range.

Please don't forget to rate the solution.

Goodluck..

Posted on Jun 18, 2008

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P0144 (M) 1/2 O2 Sensor Shorted To Voltage Oxygen sensor input voltage maintained above normal operating range.there you go

Posted on Jun 18, 2008

  • Lee A.
    Lee A. Jun 18, 2008

    Take it to your local jeep dealer they will take care of you.
    Lee


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Code is "Oxygen sensor input voltage maintained above normal operating range"

Very likely it's the Lambda sensor on the eshaust playing up. Check connections and get it tested.

Can give up with faulty fuel from some pumps.

Posted on Jun 18, 2008

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