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Kia Sportage Maintenance and Repair

607 messages,  Last post on Nov 27, 2009 at 5:55 AM

You are in the Kia Sportage Forum. Your Hosts are steve_ & tidester

What is this discussion about? Kia Sportage, SUV


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#538 of 607
Kia Sportage 1998 Fuel Pump dead by gjan
Apr 24, 2009 (4:40 pm)
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My 1998 Kia Sportage fule pump will not run. The pump tests ok out of the car, the relays have been replaced, but the pump doesn't run. Any idea what to look for next?
#539 of 607
Re: Kia Sportage 1998 Fuel Pump dead [gjan] by tidester HOST
Apr 24, 2009 (5:56 pm)
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Replying to: gjan (Apr 24, 2009 4:40 pm)

Have you test whether power is getting to the pump when it's in the car?
 
tidester, host
SUVs and Smart Shopper
#540 of 607
Re: Kia Sportage 1998 Fuel Pump dead [tidester] by gjan
Apr 25, 2009 (1:43 pm)
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Replying to: tidester (Apr 24, 2009 5:56 pm)

Yup it's not. I tested at the under-hood fuse box where the fuel pump relay is. The fuel pump relay port only shows power on one terminal always. Nothing showing on others when key turned on or cranking.
#541 of 607
Re: Kia Sportage 1998 Fuel Pump dead [gjan] by tidester HOST
Apr 25, 2009 (5:25 pm)
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Replying to: gjan (Apr 25, 2009 1:43 pm)

That suggests there is a problem with the pump's electrical connections. Does yours have some kind of electrical plug?
 
tidester, host
SUVs and Smart Shopper
#542 of 607
Re: Kia Sportage 1998 Fuel Pump dead [tidester] by gjan
Apr 26, 2009 (5:55 am)
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Replying to: tidester (Apr 25, 2009 5:25 pm)

Not sure where you're going...I ran the relay test described elsewhere at Edmunds, and found that, since the only place I have power to the relays is the constant power terminal, no other terminal has power at key position "On" or ignition, that the indication would be that the failure is someplace between battery and relay. All fuses are good, so I'm wondering:
Do any sensors have the potential to block power to the relay through their own failure?
Or is the main computer bad? Or a bad ground somewhere? All other electrical functions work.
Which is more likely?
#543 of 607
Re: Kia Sportage 1998 Fuel Pump dead [gjan] by tidester HOST
Apr 26, 2009 (10:15 am)
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Replying to: gjan (Apr 26, 2009 5:55 am)

Not sure where you're going...
 
Me neither! But you said the pump functions correctly when removed and the battery/relays are okay so I'm wondering whether all the connections are good. Regarding sensor or electronic control modules being at fault, I suppose that's possible. Perhaps someone with hands on experience would care to jump in and offer some advice. Anyone?
 
tidester, host
SUVs and Smart Shopper
#545 of 607
Re: Kia Sportage 1998 Fuel Pump dead [gjan] by lmp4
Apr 26, 2009 (3:22 pm)
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Replying to: gjan (Apr 26, 2009 5:55 am)

At KEY ON, you should have the fuel pump relay coil hot on one side. The ECM grounds the other side of coil. 12V is fed to FP relay coil from a green wire coming form the MAIN RELAY. Hence MAIN relay must operate first. ECM activates the main relay coil ground side.
 Missing 12V at the FP coil means something is lost somewhere.
fuel pump circuit
There have been cases of ignition key failure...so some means to check for that should come first, just in case.
#546 of 607
Hard Starting 2.0L by buzzard40
May 04, 2009 (10:36 am)
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Our '08 Sportage LX 2WD 2.0L was operating perfectly at 740 miles since new (we bought it in 01/09). Then, it began to be difficult to start...somewhat worse when cold than when warm. No codes, no "check engine". It turns over fine but either doesn't fire or just stumbles as thought it's too lean to run. It went to the dealer twice. The first time, they replaced the fuel pump assembly...no difference. The service dept. said the fuel pressure was too low but apparently didn't test it again with the new pump installed. I don't have an adapter to put a guage on the fuel rail, so I don't know if the pressure is what it should be (nearly 50 psi)..
 
The second time, they blamed the owner (me) for installing a keyless entry system and causing some electrical "gremlin". So I removed the keyless entry leaving no spliced wires or anything else changed from the original factory configuration. No difference.
 
The best way to get it to start is to turn the key on and off 3 times before trying to start it. I'm hoping that's a useful clue for some of you experienced folks who know these cars. I usually work on old trucks, cars, and motorcycles and so have little experience with modern vehicles. I've tried to avoid vehicles with interference engines, Gilmer belt cam drives, McPherson struts, CV joints, computers, and other things that seem to be maintenance headaches, but this was the vehicle my wife wanted.
 
Any hints, hypotheses or suggestions?
Thanks
#547 of 607
Re: Hard Starting 2.0L [buzzard40] by lmp4
May 04, 2009 (4:03 pm)
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Replying to: buzzard40 (May 04, 2009 10:36 am)

I've tried to avoid vehicles with interference engines, Gilmer belt cam drives, McPherson struts, CV joints, computers, and other things that seem to be maintenance headaches,
..mmm...I think you would rather drive a bike....but I also find carbs and ignition breaker points were easy to cope with....though I must admit that all of the present day contraptions are really fine when they act according to plans....
..so.....no experience with the 09 model....but I would investigate , just to be sure, in the direction of Mass Airflow Sensor , Idle Air control valve and Coolant temp sensor.......at least to clear these options out.....

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