Question about 2001 Kia Optima

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REPLACED FUEL PUMP AND NO WHIRR NO HUMM NO NOTHING!?????

DIED WHILE DRIVING PUT GAS IN NO START... REPLACED FUEL PUMP AS NO WHIRR NO HUMM AND YET STILL NOTHING FROM FUEL PUMP....AND NO START......ANY IDEAS WHERE TO GO FROM HERE??

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  • 32 Answers

Check there is power to the fuel pump and the fuse hasn't blown or the relay damaged.

Posted on Apr 23, 2013

Testimonial: "will check relay.....all fuses are good....how do i check for power to pump?? "

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Posted on Jan 02, 2017

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  • 49 Answers

SOURCE: Won't start but fuel pump and relay are good

the next things i would check would be seeing if you have spark from the ignition system , compression in the cylinders by performing a compression test, and checking the timming belt to make sure it has not failed and come out of time.

Posted on May 11, 2012

  • 53 Answers

SOURCE: Replaced fuel filter, now won't start

a cut off switch is almost never the problem just hummor me for a second and please check that the fuel filter is installed correctly not backwards then check the fuel pump fuse and relay if all good check for power at the pump and a good ground if all this is good then the pump need replacement

Posted on Oct 19, 2008

  • 1 Answer

SOURCE: 2001 Kia Sportage won't start. Driving the other

I've have the same problem with my 2001 kia sportage and found this is a very common problem with this vehical per vehical complaint website. Kia is not sure why this happens and has no fix. If you find something that works please share with rest of us. Good luck :(

Posted on Sep 01, 2009

cansmo
  • 2431 Answers

SOURCE: My 2004 Kia optima recently died while being

Then you have a intermittent spark . Now do you have a spark tester to test spark. Its okay if you dont we have one . Oh by the way you did the fuel pump yourself. if you can do a fuel pump then you can do this to solve the no start problem. No spark tester? okay we will use that tachometer (RPM gauge). crank the engine does the tach meter reads zero at all times while cranking, if it does youll need a crank sensor. Here the story Rough running conditions and or stalling was caused by a faulty crank sensor, try shaking the connector or wiggle the crank connector then see if it starts. Youll need to inspect the connection for proper male to female connection these have been the most suspectable failure of KIA. If you decide to replace this sensor make sure connections are good, more than likely this was the problem and not the fuel pump

Posted on Apr 27, 2011

parkerjohn
  • 132 Answers

SOURCE: I was driving my 1999 Kia Sephia the other day and

You might want to take a look at the fuel pressure regulator. If the diaphram is stuck you wont get the pressure needed to start.

Posted on Sep 21, 2011

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THE MOTOR CRANKS BUT WONT START EVEN WHEN I PUT GAS IN THE CARB (NOTHING) THE FUEL PUMP HUMMS AND SOUNDS FINE BUT IT WONT START EVEN WITH STARTER FLUID OR GAS IN THE CARB /IT JUST DIED ON ME WHILE...


Possible that the cylinder is flooded and so it will be best to remove the PLUGS and flush by cranking out the excess fuel. Now test the GAP on the plugs, reset to specification.
Also check the spark intensity. If low check the coils and HT wires.

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Your fuel pump isnt working, you can check this by taking the fuel cap of and turn the key to the start position have someone listen closely by the gas fill port you should here a humm or wine if you dont the fuel pump is bad and needs replaced

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Have someone turn the key on while you have you ear close to the fuel tank. You should hear a 1-3 second whirr as the pump builds up pressure. If no sound you can tap on the tank with a rubber or dead blow hammer to see if the pump is stuck. This trick will only work so many times before complete failure! Fords also had a fuel pump shut off switch, after Pintos started blowing up. Most cars had them in the trunk under the plastic covers. I'm not sure on the vans. Look for a small black box with 2 wires near the tank on the inside of the van. You can cut out the switch and tie the wires together with a wire nut and black tape or shrink tube to bypass the switch.

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check the fuel pump fuse/relay, could be just bad enough to cause an intermittent start/no start. and check fuel pressure,spark and the crank position sensor.

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Sonds like a sensor putting out an error code to shut it down ( like a fatal error code) Prolonged vibrations and heat can make cam sensors, maf, o2 senosr do craz ythings which will actuate a govener and stall your car...could also be you fuel pump causually telling you that "hey im bout to die".I dealership can run a stress test (if you will) to check the longivity of the pump...
Good luck hope this helps :)

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1 Answer

Cold weather does not start


Need to listen for fuel pump humm for proper operation. Shoud humm for about 3 seconds with key turned in the on position. Humm will sound from gas tank where the pump is located. If it does not humm. possible Faulty Fuel pump relay or pump. It will need ferther diagnosis.

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Car ran out of gas, put in a few gallons. enough to make the needle read 1/4 tank. car still wouldn't start. changed filter but the car still won't start


Hi, you should run a fuel presure test ,fuel pumps can get bad when they run dry afther runing out off gas ,Good Luck..

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