Remove the cover on the top of the engine. On the top middle there's a short hose that comes out of the intake and the pcv valve is at the end of it.
2003 4.3's do not have an egr valve.
Middle of the valve covers.
I use a leak down tester that applies air pressure from an outside source to the cylinders.
find another 2009 kia optima and park it in the same garage overnight.
If you have looked for the EGR valve and cannot find one you may not have one, you may have an emission package that does not use the EGR valve. I would suggest getting it looked at to see if your car has this package.
All cars have a valve like a tire valve you just plug into to recharge. You can buy a can of r12 at any auto parts store and instructions will be on can.
I've had a V6 Optima now for 7 years and it's never failed. If you search around on the internet you find a lot of happy owners.
The pcv valve is the small hose connect to the intake between the air filter and the throttle body. Its pretty easy to find as it is the only other part attached to the intake hose.
Generally you will find a PCV valve somewhere on one of the valve covers, with a hose the connects to it.
where do you find the bleeder valve on a Ford Diesel F-250 6.0
The remote keyless entry module on the 2004 Kia Optima is located under the driver's side dash. To find it, open the door and look up under the dash.
You may find information on aortic valve replacements at www.youtube.com/watch?v=5jLfPlQBYuw, www.scientificamerican.com/article.cfm?id=aortic-valve-replacement, www.nhs.uk/conditions/Aortic valve replacement/