- #574 of 578
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Re: 2003 Kia Optima having problems starting [bmaurer]
by skal
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Oct 28, 2009 (6:32 am)
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Replying to: bmaurer (Oct 28, 2009 6:03 am)
I had to replace my battery but it just quit I didn't have any trouble before hand. You can have your battery checks to see if it is weak. It should have a sticker on it telling when it was purchased. They usually only last about 4 years. Have you check the gas filter. It sounds like you have to get the car to turn over before you are getting the gas for it to start. I would think if it was the wiring it would be constant. I am sending you a web site to go to that gives you the maintenance manuel on your car. I was going to buy the book but they were out so she gave me the web site to look up things. It is not very user friendly, but it does give you some good ideas if you are persistent. It has one place that will let you trouble shoot your problem and it will give you options as to what the problem might be. Good luck let me know if you figure it out in case I might have the same problem. Web site www.kiatechinfo.com.
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- #575 of 578
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Re: 2003 Kia Optima having problems starting [skal]
by capt4
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Oct 28, 2009 (11:20 am)
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Replying to: skal (Oct 28, 2009 6:32 am)
I had the same issue happen last week
The car stalled in traffic , Thinking there was water in the tank
I bought some gas line anti freeze.
Then the car refused to start could not crank over
Check engnie light goes on this is good so you can find the problem
Towed the car to the repair shop the computer showed " Crankshaft Sensor"
Kia Service says this is a usual at around 80k miles as well as the Front
Motor Mount which had to be replaced also..... Check around for labor the
cost to replace sensor is the same as timing belt because the genious" at Kia
put it in the most inconvienent place. If you need a Timing belt do it at the same time. plugs were changed at 75K they last long
I am going on 92K never did the fuel filter, it is another weird location with
labor that is high,
Hope this helps  
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- #576 of 578
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Re: 2003 Kia Optima having problems starting [capt4]
by bmaurer
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Oct 29, 2009 (6:14 am)
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Replying to: capt4 (Oct 28, 2009 11:20 am)
I took my car into Wal-mart to get the battery checked, when they hooked up the battery checker it said to replace battery, so I did that and they thought that that might just be the problem. But after they put in the new battery and did another battery check, the handheld computer gave them an error message that they thought had something to do with the wiring from the battery to the starter. They think that a wire somewhere there is getting grounded or is bad. They also checked the starter with the same handheld computer and the starter checked out fine. I'm taking it to the dealership beginning of next week to explain to them what has been happening and what has been done so far to the car, hopefully I will get this figured out with not alot of money involved the the process, I only have about $500 to spend to get this fixed.
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- #577 of 578
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Re: 2003 Kia Optima having problems starting [bmaurer]
by javmanamx
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Nov 02, 2009 (1:07 pm)
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Replying to: bmaurer (Oct 22, 2009 6:25 am)
clean the maf, mass air flow sensor, you have to use special cleaner for this, buy it at parts store, do not use carb cleaner, i just checked the maf on a 05 ford focus, hard to get to by the way, a small piece of a leaf was causing hard starting etc, also use throttle body cleaner on the throttle body, very important
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- #578 of 578
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MAF Sensor
by capt4
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Nov 02, 2009 (2:15 pm)
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 Thanks for the tip will do
Ihave cleaned the Throttle Body with BG products bebfore
How many miles should this be done?
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