Question about Jeep Liberty

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I have a jeep Liberty 02 3.6L V6 I was gone and the car sat for 5 days. I went to start it and it wouldnt turn over all lights were on, I had it jumped and it sterted and wouldnt go over 40mph. When codes were checked it showed PO725 and PO230. help, i now have a trunk that wont start.

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  • Jeep Master
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P0230....Fuel Pump Primary Circuit


P0725....Engine Speed Input Circuit

Here are the codes but i have no idea what could be causing the problem ,Perhaps the dead battery has done something to the ECU ,i would check the fuel pump feed out but first i would charge the battery for at least two days on trickle charge so the engine will crank ok as if the battery is too low this could cause problems although it should start with a jump and charge itself up but if the battery is too low it will not charge as a alternator needs power to produce a charge unlike a dynamo

Posted on May 20, 2011

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Posted on Jan 02, 2017

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1 Answer

2003 jeep liberty won't start...


have the fault codes read as that will indicate the problem area

Oct 29, 2017 | 2003 Jeep Liberty

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04 Jeep liberty can only feel air conditoner when jeep is moving the other day the jeep beeped thee times and the overheated engine light was on now its off


Sounds like a fan issue. The engine and A/C are only being cooled when the vehicle is moving and air is flowing across the radiator and condenser. I would start car with hood up and check that fans cycle on as the engine gets warmer and a/c is turned on. Don't let it get too hot, and keep clear of fans and moving parts.

Apr 28, 2017 | 2004 Jeep Liberty

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2005 jeep liberty engine misfire cylinder 5


A code P0305 may mean that one or more of the following has happened:
Faulty spark plug or wire
Faulty coil (pack)
Faulty oxygen sensor(s)
Faulty fuel injector
Burned exhaust valve
Faulty catalytic converter(s)
Running out of fuel
Poor compression
Defective computer


If there are no symptoms, the simplest thing to do is to reset the code and see if it comes back.

If there are symptoms such as the engine is stumbling or hesitating, check all wiring and connectors that lead to the cylinders (i.e. spark plugs). Depending on how long the ignition components have been in the car, it may be a good idea to replace them as part of your regular maintenance schedule. I would suggest spark plugs, spark plug wires, distributor cap, and rotor (if applicable). Otherwise, check the coils (a.k.a. coil packs). In some cases, the catalytic converter has gone bad. If you smell rotten eggs in the exhaust, your cat converter needs to be replaced. I've also heard in other cases the problems were faulty fuel injectors.

Hope this helps; also keep in mind that your feedback is important and I'll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using Fixya, and have a nice day.

Nov 20, 2011 | 2005 Jeep Liberty

1 Answer

2002 Jeep liberty headlights cut off and then back on at random times. weather makes no difference nor hot or cold. went a way for a few months and now it has started all over again. hear clicking sound...


the clicking your hearing is the relay trying to stay engaged, its heating up causing the relay to power down, which in turn you lose the lights, the heat is caused by the electrical current supplied to the replay, Not the outside temp , locate that relay and replace it, and your problem should be gone

Aug 10, 2011 | 2002 Jeep Liberty

1 Answer

My 2004 jeep liberty stopped running two fridays ago. my mother was driving it, went into her insurance place and left my 13 y/o son in the car with the car running and a/c on. about 8 minutes into that...


I would get the battery checked, even new ones can be bad, I had a Bosch that went bad after 5 months.
Get the codes read, my 2003 Liberty recently had a problem starting also, thought it was the fuel pump or filter, code came back as the Crankshaft position sensor being faulty, could be a sensor giving you trouble, mine would start right away once it got warm.
When it comes to sensors there is not a lot of difference between making the circuit complete and not.

Hope this helps!
Cheers

Jun 14, 2011 | 2004 Jeep Liberty

1 Answer

The two back brake lights went out at the same time but the brake light on top of the rear window still works, would the problem be the bulbs or a fuse? 2005 Jeep Liberty


Both of my brakelights have gone out on my 2005 jeep liberty. The problem is the brakelight socket. I bought replacement socket from the dealership for about $8 each. They are wireless and easy to replace. They sit on a circuit monted to the back of the tailight. The dealership will need your vin # as there are different types of sockets for the liberty.

Dec 30, 2009 | 2005 Jeep Liberty

1 Answer

Jeep 2005 Liberty CRD diesel oil light and beep


I've never seen an oil pressure sensor that costs $750...Likely something else was done to justify that cost. If the light has not come on since the repair, I'd assume that problem has been corrected. If not, have the thing checked out again. If they charged you to repair it, then it should be fixed or, it's their problem!!! You should not be afraid to drive your vehicle. It's a machine, therefore it can and will break sometimes as do all cars. But being afraid to use it is not a solution.

Nov 02, 2009 | 2002 Jeep Liberty

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