Question about 2003 Kia Sorento

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I HAVE A 2003 KIA SORENTO LX & IT IS USING TO MUCH GAS LATELY>>>HOW WILL I KNOW IF I NEED MY FUEL PUMP REPLACED? WHERE IS THE PCV VALVE LOCATED?

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The fuel pump will not cause bad gas mileage.the spark plugs may need changing,fuel filter,air filter,plug wires(basically a tune-up),or the thermostat probably needs changing as this can cause poor gas mileage as it won`t allow the motor to get to proper operating temperature(computer monitors temp)and commands fuel injectors on longer(spray more fuel).driving habits change over time look at this also.cold whether driving also will use more fuel.pcv valve i can`t help you,maybe a parts store will show were it is if it has one.the only time you change the fuel pump is when it gets noisy or it quits altogether,or the pressure is good but the fuel volume is not to specs.

Posted on Apr 10, 2011

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Excess gas use could be many faults.Try checking the following;
Brakes sticking.
Transmission not moving into overdrive.
Engine Temperature too low-usually a faulty thermostat stuck open.
Air conditioning on .
Tire pressures too low
Tires recently replaced,and tread pattern is chunky or Mud/Snow type
Tune up overdue-sparkplugs worn,air filter blocked,weak spark at coils,dirty oil etc
Fuel leak.
Poor grade fuel-change gas station to test.
Have even had customers discover the neighbor syphoning regularly or the teenager sneaking the car out.
Hope this helps you out.get back to me with your findings.

Posted on Apr 10, 2011

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1 Answer

I have a 2003 Kia Sorento 3.5 and I just changed the fuel pump and it still won't start.


Check fuel pump fuse. Starter and alternator other than that I would need more details what it was doing before replacing fuel pump.

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2003 kia Sorento gas keeps spitting back out when I try to fuel up


There's usually a flap on the fill tube below the gas cap. Try to put the pump handle past the flap, and slowly pull the pump handle to fill the tank.

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On a 05 kia sorento water in gas tank removed it and fuel pump got all water out poured 1and a half gallon of gas back in tank and the kia sorento still want crank what do i do next


when you say crank do you mean the starter won't turn the engine over-can you hear the fuel pump run when you turn the key on-you might want to dump a bottle of heat gas line antifreeze in to absorb any water left in fuel system-cheers Denny

Oct 31, 2013 | 2003 Kia Sorento

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How to replace the fuel filter on 2003 KIA Serento


I don't list a replacement fuel filter for your model.
So the only filter may be in the gas tank in front of the pump.
Most car companies stopped using replacement filters in 2003.

Jan 31, 2013 | 2003 Kia Sorento

2 Answers

Where is the fuel pump relay on a 2003 kia sorento?


The fuel pump relay for this 2003 Kia Sorento is located insdie the engine compartment fuse box, open the hood locate fuse box and the relay is there, the fuse box cover should have listing of the location of the relay.

Oct 06, 2012 | 2003 Kia Sorento

2 Answers

Where is the fuel pump? is it in gas tank? the car will start go a few blocks and shut off and not restart. I think it is fuel pump, may be fuel filter I also need to replace throttle positioning switch....


yes it is in the tank. but you can remove the rear seat to get to the fuel pump, instead of dropping tank. (2003 to 2005) kia sorento. fuel filter is inside tank and replaced with fuel pump as an assembly.

May 07, 2010 | 2004 Kia Sorento

1 Answer

How to locate the fuel filter of Kia sorentp lx 2003, and then how to replace it


the kia fuel filter is a long life filter it is located in the fuel tank in conjunction with the fuel pump , to locate it remove rear seat base and will b able to remove fuel pump nd then filter is on fuel pump . make sure orings are sealed nd seated correctlt to prevent fuel pressure loss . i think fuel filters r done round 90000km

Apr 04, 2010 | 2004 Kia Sorento

3 Answers

Where is it located? The fuel filter. My 2003 KIA sorrento will not accelerate up hills. Either hwy or city. On level ground it is fine. Is the fuel filter possible my proble. AGain if so, where is it...


For Kia Sorento 2003-2005 the fuel filter is located inside the fuel tank and is replaced with the fuel pump as an assembly.

Fuel Pump - Removal & Installation
  1. Before servicing the vehicle, refer to the precautions at the beginning of this section.
  2. Remove or disconnect the following:
    Rear seat Access cover Fuel pump electrical connector
  3. Relieve the fuel system pressure.
    Fuel lines Fuel pump and filter assembly
To install:
  1. Install or connect the following:
    Fuel pump and filter assembly Fuel lines Fuel pump electrical connector Access cover Rear seat
  2. Start the engine and check for leaks.

Hope helped with this (remember rated this help) Good luck.

Nov 19, 2009 | 2003 Kia Sorento

3 Answers

Unable to locate the position of the fuel filter


Follow the (usually steel) fuel lines from the engine bay underneath the vehicle all the way back to the fuel tank. fuel lines may resemble brake lines, they usually look very much alike. Find your fuel rail, it connects to fuel injectors, and then follow it to find the fuel lines that go to the fuel tank.

You may have to remove plastic covers from underneath the vehicle, one kia I worked on the fuel filter was halfway up the side of the fuel tank and we had to remove the whole undercarriage cover from underneath the vehicle to follow the fuel lines to it.

I assume you have the new fuel filter, so you know what you are looking for, if you don't it looks like a can with a fuel line coming out of either side of it. Similar to what an engine oil filter looks like, usually quite a bit smaller though.

Hope this helps :)

May 10, 2009 | 2003 Kia Sorento

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