Question about 2004 Kia Optima

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I have a 2004 v6 2.7 kia optima the engen light just came on i check oil and coolet, brake fluid what else might be worng

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You have to use a scan tool (OBD II reader), to find out what trouble code the computer in the car tells you, you can get this tool an any autoparts or have you car scan there or with a mechanic.

Posted on Oct 17, 2010

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Posted on Jan 02, 2017

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1 Answer

2004 Kia Optima Brake Torque Spec


Bracket bolts Front 16-24 ft/lbs
Caliper bolts Front 51-63 ft/lbs Rear 16-24 ft/lbs

Feb 03, 2017 | 2004 Kia Optima

1 Answer

2007 kia optima warning light dash


what kind of warning light do you mean and what illuminating color is RED or AMBER is it check engine light,brake light,temperature, if is (!) then you have either worn brakes,low brake fluid due to brake ware. Check in your engine compartment the brake fluid level by the servo side and see whether the level is on Maximum if is not then surely check your brakes.

Aug 15, 2012 | 2007 Kia Optima

1 Answer

Brake light not working on Kia 2005 Optima tali lights work, bulbs replaced brake light switch replaced but still no brake lights


Check the space gap between the brake lever to the brake switch.

Also check the connector to the brake switch.

You have to look under the dash carefully.

These is not too much room under there.

Just ran you hand along the brake paddle.

Press the brake switch by hand and see is brake light go on.

Check all connectors for corrosion.


Apr 24, 2010 | 2004 Kia Optima

2 Answers

2004 kia optima,break lights stay on,taillights will not come on,bulbs are ok


It sounds as if your brake light switch is bad, or, your brake pedal return spring isn't pulling the pedal back towards the seat.

First, just pull up on the brake pedal, opposite direction of when you are applying them & see if the lights go off. If yes, you'll need a new return spring. If not, then usually the switch mounted up above the pedal is defective & needs to be replaced.

I believe once that is corrected, the lights should work properly if your parking lights are working, as they both use the same circuit. If not, you'll have to do some testing of those wires & backtrack to the light switch.

The Brake light switch also can have the cruise control switch & other controls associated with it but not always, depending on the specific Model & Year & other options so testing it could require a wiring diagram, I've included a link that will give you the wiring colors for the brake light switch itself. Testing the wiring is the only way to determine any other condition that would be causing that to happen.

Here's the link for the wiring:
http://www.commandocaralarms.com/wiring/2003-2005/Kia/Optima/893.html

It shows the brake switch wires as GREEN.
Good Luck.

Feb 08, 2010 | 2004 Kia Optima

3 Answers

2004 Kia Optima EX...Brake lights suddenly don't work. Fuses are all ok...bulbs are all ok...and the switch box that's under the steering wheel is also in working order. Where else can I check for the...


You can check to make sure that the taillights have a good ground. If at all possible try using a test light or multimeter at the light. Have someone step on the brake and see if you have positive voltage to the light. If you do then it could be a faulty ground. If you don't move closer to the brake switch or even test the brake switch.

Nov 06, 2009 | 2004 Kia Optima

1 Answer

Where do I put in transmission fluid/stop leak 2004 Kia Optima


Same place you check the fluid level you add fluid.

Oct 18, 2009 | 2004 Kia Optima

1 Answer

2004 KIA Optima


Check the fuses for these items they could be blown.

Dec 13, 2008 | 2004 Kia Optima

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