Question about 2012 Kia Sorento

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I have a 2012 Kia Sorento that keeps fouling out the number 2 plug. any idea what can be causing it to foul out.

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Have you noticed the car losing water? How is the plug fouling? Does it have oil on the plug or is it wet with water? You could be losing a coil pack too.

Posted on Dec 06, 2016

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Posted on Jan 02, 2017

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1 Answer

Rear spark plug bank is fouled. The 3 in front are fine. What cold be the problem?


I am assuming it is oil fouled rather than fuel fouled. Oil fouling is usually due to valve stem seal leakage. Most engines have the oil return on the cylinder head at the rear. When the engine is shut off, some oil pools at the rear of the head. If the valve guide seals are worn, then the oil will leak around the stem of the #4 valve and eventually foul the plug. If there are no real issues with the engine other than this one, it is usually best to keep a clean plug or two available and swap out the plug periodically when fouling is detected. Then clean the fouled one and keep for reuse later. If it is happening too often, getting the cylinder head reconditioned is a good idea.

Oct 09, 2015 | 2006 Acura MDX Touring

1 Answer

Fouled spark plugs


Usually one of 2 causes. Most common is a bad valve stem oil seal allowing the oil past the valve stem when the engine is shut off.Second is a broken or bad oil ring on that piston. Be blessed.

Jan 02, 2014 | Ford Cars & Trucks

2 Answers

One plug foul after 200 miles runs ruff


the next time it fouls check the plug when you take it out, if it is covered with oil then you may have a broken ring on the cylinder that is allowing oil to pass through to the combustion chamber and fouling the plug. Or the valves pay be letting oil drain in past the valve seats.

Jul 04, 2012 | Chevrolet Caprice Classic Cars & Trucks

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Hi I have Kia sorento 2003 and my trouble is idle go up to 3000rpm to shift from 1 to 2 and the idel some time no stable go at round 200to 500 rpm with OBD 2 code P1330. your help will be appreciated...


Dear Allamid,

Seems to me like you need angine diagnostics performed. Your idle speed is way to high here. Mapping the engine should pinpoint and solve the problem. This is typic\lly done by nothing more than plugging a laptop into the onboard computer that governs the engine.

By the sounds of the OBD code that you have, you already knew thisabove procedure.Even so, have the Engine management unit checked, and get someone to check thermostat,engine timing,and might be worth having a full service done.

If you still dont get anywhere with this,get in touch with me andI will investigate the matter thoroughly for you,but in the meantime I do hope that this actually does resolve your issue.

yours sincerely

Ouszen

Feb 07, 2012 | 2003 Kia Sorento

1 Answer

95 GMC 5.7l keeps fouling plugs


Hi Dale,

Several factors can contribute to spark plug fouling:

- The air/fuel ratio may be too rich as a result of incorrect carburetor adjustment or a poorly performing fuel injection system.
- Worn piston rings or valve seals may allow too much oil to leak into the combustion chamber, leading to oil fouling.
- The ignition system may not be performing properly.
- Prolonged idling or continuous low-speed driving may keep the spark plug from reaching its optimum operating temperature. Using too cold a spark plug can lead to the same problem.
- A dirty air cleaner can create a too-rich condition which can lead to fouling.

Have each of the above checked and corrected.

Fuel, oil and carbon fouling can all be the result of different causes but, once a spark plug is fouled, it will not provide adequate voltage to the firing tip and that cylinder will not fire properly.

In many cases, the spark plug cannot be cleaned sufficiently to restore normal operation. Hence, I always recommend that a plug be replace, once it becomes fouled.

Cheers,

Scott


"If this has helped you in any way, please be kind enough to rate this solution"

Nov 02, 2011 | 1995 Chevrolet K1500

1 Answer

What does a codec: PO302 mean for a kia sedona EX 2003?


P0302 indicates a Misfire in Cylinder #2. Possible causes are as follows:
  1. Possible dirty fuel injector
  2. fouled spark plugs
  3. faulty spark plug wires
  4. compression problem (bad cylinder or head)
I hope this clarifies your issue and answers your question. Thank you for using Fixya!
Greg

Feb 19, 2011 | 2003 Kia Sedona

1 Answer

My plug wires keep fouling up. changed three sets in two months. The keep going bad. Possible cause.


Plug wires could go bad because they are being sprayed with a conductor, like oil with carbon in it; or it could be the voltage is going to high, such as from spark plug gap too wide. Make sure plug gap is around .032".

Sep 28, 2010 | Kia Spectra Cars & Trucks

2 Answers

Vehicle bogs down when accelerating at low speeds


I would replace the spark plugs and spark plug wires. Replace them ONE AT A TIME!! Do NOT mix up the firing order of the wires!! When you pull each plug look at it and see if it oil fouled. Some Kia's have an issue with leaking valve cover gaskets that can cause excessive amounts of oil to collect around one or more of the plugs which fouls them out and causes misfires. If this is the case, the only solution is to replace the gasket and the plugs. Please rate me on this answer.

Jun 28, 2010 | 2003 Kia Sorento

2 Answers

Failed spark coils on my 1999 Lexus ES 300. Replaced one last March and two more last month. I read that fouled plugs could cause coil failure. Since the recommended schedule for ''hard driving...


exposure to heat, weather,salt in winter and water make them more susceptible to failure I would change them knowing that my others failed

Aug 25, 2009 | 1999 Lexus ES 300

1 Answer

Can the ignition coil cause the car to sputter and foul the plugs


It can cause sputtering but it wouldn't really cause the plugs to foul. Try pulling the plugs and getting a good look at the electrodes and you can get a good idea of why they're fouling by looking at them. Here's a good guide with some pictures to help you:

http://www.gnttype.org/techarea/engine/plugs.html

Jul 25, 2009 | 1998 Dodge Neon

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