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Just changed the fuel pump in 2005 Jeep liberty, after car wouldn't start and discovered it had no fuel pressure. Once the pump was changed car started right up and ran fine for about half a day, then the engine light came on and car will not start again. Checked the fuel pressure and it's fine and you can hear the pump come on. Car acts like it wants to start then just dies. Any ideas on what the problem might be?

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See if the fuel is reaching the engine by loosen the fuel pipe before the injectors if not, change the fuel filter the one in the tank and the one next to the engine and bleed the fuel line it might be an airlock.

Posted on Jul 14, 2017

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Posted on Jan 02, 2017

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SOURCE: 1997 Grand Prix GTP starts but wont run for more than 5 Sec

is this a supper cahrged grand prix if so check fuel pump resistor located behind right front head light or on fire wall its made of white ceramic has to wires going to it jump the two wire on the connection going to it if it runs longer then 15 min then replace resiustor.

Posted on Jan 03, 2009

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SOURCE: oil pressure light on and wont start

Well I had the same problem and wow was I surprised man. I have a code machine that plugs into my car and tells me what wrong with it then I fix it. It read that I had a misfire #1 so that means my spark plug is dirty or something like that. When I took off the spark plug it was smashed in that was a good sign.. I called a mechanic friend of mine and he said that my head and piston were damaged but would not really know unless he took it apart. What he said was true and cost me a great deal of money..!!!! Now searching the web I have found that there many jeep liberty with the same problem just different spark plug locations so I wonder if Jeep knows of this issue but will not acknowledge it.. If you need more information please email me at fgarcia760@verizon.net

Check out this link regarding your issue..!!

Posted on Jan 26, 2009

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SOURCE: 2005 Dodge Neon starts but dies right after?

It is the Intake Air Control motor (IAC Motor). Replaced mine and have not had any other problems.

Posted on Feb 15, 2009

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SOURCE: Chevy monte carlo won't start????

try the distributor cap

Posted on Apr 05, 2009

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SOURCE: 1995 Jeep Wrangler 2.5L Fuel Pump/Check engine light

Could be one of several items...I'd check the fuel pump relay, auto shutdown relay and the ignition switch itself. I'd bet on it being one of those relays but, we all have been fooled at least once!!! I'd also make sure that body and engine grounding is good and clean. Relays can't work properly without a good ground.

Posted on Nov 03, 2009

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1 Answer

2002 Jeep Liberty has an intermittent starting problem. At times the car will not start, the starter will not even engage. If left for a couple of hours it will then start.


You could have a fuel delivery problem. Start by
  • checking fuel pressure. Fuel injected cars are very fuel pressure sensitive. Fuel pressure is very important and must be within specifications. However, if the pressure is low, it does not mean the pump is bad.
  • A plugged fuel filter, a pinched line, and low voltage at the pump can contribute to low fuel pressure. All three must be checked before replacing the pump.
  • Rrefer this link http://www.carpartswarehouse.com/carmode... to learn about other parts of Jeep Liberty. Also you can get Jeep Liberty parts at good price.

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This sounds like a fuel pump problem, if the pump is bad and it does not give the engine the right pressure the car wont run and if it does it will not have power and can give an o2 code due to lean mixture, you may have a bad o2 but this would not make car not start, the o2 does not play a role in the engine until engine temp is up and in closed loop. have the fuel pressure tested i would bet is is low or no pressure, check the fuel pump and the relay .start there

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To start with, most models have a fuel pump relay that gives the pump voltage until the computer sees that the engine is running.
Sounds like the computer is not knowing the engine is running, so there is no power to the pump after it starts.
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I suggest check fuel pump module, sound like go to bad.


12_7_2011_3_30_29_pm.jpg

Fig. Top view of the fuel pump module-Liberty

If you need additional deyails or soem specific section about Repair Manual, feel free to contact us in the links.

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Dec 07, 2011 | 2005 Jeep Liberty

1 Answer

Have changed fuel pump in 2002 jeep liberty and it wont start,yet when u spray gas into throttle body it will run


Obviously the new fuel pump isn't running

Get a wiring diagram of that circuit and find
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Did you check fuel pressure before & after the
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Fuse good,grounds & pump harness connector?

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1 Answer

Air in the fuel system


there is also a lift pump in the fuel tank with a one way valve, sounds like u r loosing ur fuel pressure somewhere in the system i would check there first and work my way towards the engine

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