Question about 2004 Kia Optima

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I need to know how to change the back three spark plugs located under manifold. i am truely a rookie in auto repair and do not have the money to take in so i am doin myself. respectfully treat me as such. i have a 2004 kia optima 6 cylindar and was able to change the front three but i am not sure on the back three. please help i do not want to make a small project into a large expensive project.

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On Ford Escape you have to pull intake manifold Not real bad has oring gasket and is plastic. May be simular FORD charges $600 to do it.

Posted on Oct 04, 2009

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Not familiar with this engine, but I had a six cylinder van once and had to remove the exhaust manifold to replace 3 of the glow plugs on one side (diesel equivalent of spark plugs). This might be the only way.

Posted on Sep 06, 2009

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1 Answer

How many spark plugs are in a 2005 Kia Sedona


There are six plugs in the Sedona. The motor is turned 90 degrees from which way we are accustomed to seeing one in a vehicle..
First remove the six bolts (10mm) that hold the engine cover on. You also have to remove the oil cap to take this cover off.
The front three plugs and their corresponding coils are in the front and fairly accessible as you can follow the spark plug wires to them. It is best to disconnect the battery before doing this work.

You will have to remove the three corresponding coils to the front three sparkplugs. You use a 16mm spark plug socket to remove the spark plugs.

The back three plugs are under the intake manifold cover. This is a difficult and awkward removal to get the cover off, because the back bolts are very difficult to access. Please watch the video to follow the details to get it off. The next three sparkplugs are under this cover.
http://www.youtube.com/watch?v=howvrRYsZ_8

This video was a good example what to do with the plug and coil once removed for maintenance.

And, another girl mechanic!

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That is what you have to do on a chrysler v-6, also-remove the intake manifold. Be sure and use a new gasket for the manifold. Also check if there is a holding bracket for the manifold on one side or the other, or both as on a chrysler.

Dec 18, 2012 | 2003 Hyundai Santa Fe

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Dont know how to get to rear three plugs on 2004 kia amanti


For the person, asking about spark plugs... These modles are money pitts when comes to standard maint.! I own a 2004 amanti& have had nothin but issues once 100,000 miles hit. Was going to do plugs myself, but one cant. Easily anyway. The reason you dont see them is because they are under the engine manifold! Great design by Kia, not! Youre looking @ $400-$600 repair for just spark plugs that go for $25 a set. Most mechs wont do it bc of the time/labor. Might be looking @ a dealer repair, if thats the case go ahead add $200 to that quote. I sold mine& will never by Kia again. Good luck!

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I have a 2005 Ford Taurus. I got my car checked out at Auto Zone and the code said that the number three cylinder was misfiring. I have changed the oil, had a tune up,( new sparks plugs, fuel and air...


First off I think it's time for a new mechanic. Doing an oil change and replacing the fuel filter and air filter have nothing to do with a misfire. Spark plugs and ignition coils can cause a misfire, but a good mechanic will test the coil and inspect the plugs instead of just guessing. Your mechanic is guessing and just throwing new parts at the car. A misfire can be caused by (aside from a bad coil or plug) a faulty or clogged fuel injector, spark plug wire, wiring to the injector or a vacuum leak. Since you only have a misfire in one cylinder, and you hear a whistle on acceleration, I would suspect a leak in the intake manifold. Go to a reputable repair shop and have them check the manifold for leaks. You can also check yourself by buying an automotive stethoscope, and moving it around the perimeter of the intake manifold listening for a hissing sound. Or have someone press on the gas while listening for a hiss under the hood.

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2 Answers

Spark plug location in a 2001 ford escape


Need to remove upper intake manifold to reach valve cover close to firewall.
1) The location of spark plugs 456 are under the plastic shield in front of the engine. It takes an 8mm socket to remove the three bolts holding the shield once the shield is removed you will see a coil for each spark plug. Use the 8mm socket and remove the coil and rubber boots. You will now see the spark plug (note there are not any spark plug wires).
2) The location of spark plugs 123 are located to the rear of the eng. You have to remove the air intake manifold in order to get to the spark plus. Remove the throttle wire then remove the other items on top of the intake manifold.

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2 Answers

I keep getting a notice that the #2 and #4 cyclinder is misfiring. I went to change the plugs, but could not locate them from the top of the engine. Where are the plugs located at?


Need to remove upper intake manifold to reach valve cover close to firewall. 1) The location of spark plugs 456 are under the plastic shield in front of the engine. It takes an 8mm socket to remove the three bolts holding the shield once the shield is removed you will see a coil for each spark plug. Use the 8mm socket and remove the coil and rubber boots. You will now see the spark plug (note there are not any spark plug wires). 2) The location of spark plugs 123 are located to the rear of the eng. You have to remove the air intake manifold in order to get to the spark plus. Remove the throttle wire then remove the other items on top of the intake manifold. 3) Loosen all the bolts holding the manfold. 8mm socket-- I think three in front and three in the middle. Remove the EGR valve mounts so you can slide the manifold out. Disconnet all vacuum lines from manifold and the air filter inlet closet to manifold. Just take a general look and ensure you have all wiring and tubing disconnected then slide the manifold off the eng and EGR valve. NOW MAKE SURE you cover all intake holes (leading into the engine) with paper towels to prevent droping screws etc into the engine. Then follow step 1 above

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1 Answer

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Remove plastic cover over the engine ( three screws).
You then have access to the front three spark plugs (cylinders 1,3,5) remove the nut which holds down the independant coils and remove the spark plugs, fit new spark plugs and fit coils on the three front cylinders.
Now it gets a little tricky, you will only be able to access number 2 back cylinder so you have to remove the induction manifold (12 bolts I think) to access the back three cylinders (2,3,6,) properly.
Then proceed as with the front three spark plugs, refit manifold and plastic cover,

Sep 29, 2009 | 1998 Jaguar XJ8L

1 Answer

Spark plug location


the front three are easy the other three are under you intake manifold and that must be removed to get to them you will also have to by a new gasket for you intake. it takes about an hour

May 10, 2009 | 2007 Hyundai Sonata Limited Sedan

2 Answers

2000 Mercury Sable 24V 3.o engine. Need to know


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1 Answer

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hey familyvanark,

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