Question about 2003 Kia Optima

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Which engine oil I should use for my 2003 kia optima 2.0 LX . It has done almost 142000 km.

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Any oil will work. pennzoil ,castrol etc just depends on what brand you want to use.
( my opinion is that they're all the same) what you need to do is get the oil "viscosity" that kia recommends. its probably gonna be 5w-30 or 10w-30. it's also gonna be listed on a sticker under your hood.
any oil will work any viscosity. it really does not matter ( as long as you have some oil )
*but the guidelines for each vehicle say that if you use the viscosity they tell you to ( your car should perform the best it can with that grade oil )

Posted on Jul 31, 2010

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Posted on Jan 02, 2017

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I have a 2004 Kia Optima LX with 64,300 miles. I have chaned the belts and have done oil changes. My car now hesitates to move when I hit the gas pedal. It also jerks. What can be causing this and what...


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sincerely. God bless you

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I want to flush the coolant on a 2003 Kia Optima 2.4 liter Auto with A/C. How much antifreeze should I buy to mix with water? What is the total coolant capacity?


Coolant capacity is 7.7 qts./7.3 liters, for a 2.4 liter 2003 Kia Optima.
You will not be able to get all the coolant out of the engine, unless you do a thorough engine drain and flush. If you only plan on draining the radiator, you will need less than 2 gallons mixed total to refill it, since some coolant will remain in the engine block and heater core.

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1 Answer

2001 kia optima lx keyless entry system reprogram


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P.S. the 01 Optima remote key had a problem with very short range. You needed to be within a few feet of the doors for it to work.

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2006 kia optima V6 65000 mile service, what is done to the car?


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Oct 27, 2009 | 2003 Kia Optima

1 Answer

I have a 2002 Kia Optima lx and my oil light pops on and off.


check the connection on the engine sensor .

May 03, 2009 | 2002 Kia Optima

1 Answer

Where is the oil filter located on a 2006 Kia Optima Lx?


sgutowski283: the LX had 2 different engines which could have been in you car. However, KIA has engineered their engines to where the oil filter is located at the very front of the engine below the front crank pulley on both the 4 and 6 cylinder engines.
STAY AWAY FROM CHEAP OIL AND CHEAP OIL FILTERS! You engine will last for 200,000 miles easily, if taken care of.
Good luck, Give the folks at FIXYA some feed back if your happy with my assistance.
Thanks.

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