Question about 2004 Kia Optima

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2004 KIA optima code 301 Cyl 2.4

Changed wires , spark plugs, sensors engine light on running bad

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 257 Answers

SOURCE: 2004 kia optima arcing around the coil pack

the coil pack mybe bad

Posted on Aug 11, 2009

gladys_neal
  • 334 Answers

SOURCE: Have a check engine light on 2003 Kia Spectra GS.

i think he is wrong ....check plugs wires and for vacuum leaks common for intake gaskets i have changed 3 this year and all had cyl misfire related codes

Posted on Nov 16, 2009

  • 12 Answers

SOURCE: do u really o take off the back gsket thing to

i have a 01 optima v6 and yes i had to take off the back intake manifold and replace the gasket to change the plugs . the front cover comes off to change the other 3 plugs.

Posted on Mar 23, 2010

seanpwright
  • 2030 Answers

SOURCE: engine code miss fire cylinder #1, spark plugs and

your correct the coil pack is probably the culprit

Posted on Aug 08, 2010

  • 7353 Answers

SOURCE: how hard is it to change the spark plugs on a 2004

not that hard.

Posted on Aug 30, 2010

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1 Answer

My 2004 optima has 130000 runs little ruff check engine light came on code says running rich like it could be vacumm leak so replace fuel injector regulator did not solve any thing else it could be?


intake leak, bad plugs, pre cat oxygen sensor. take to kia and have them run full diagnostics. Most likely pre cat oxy sensor or bad plugs and wires.

Oct 13, 2013 | 2004 Kia Optima

1 Answer

Problem with the 2006 Kia Optima Engine light on rpm gage not working, & all spark plugs are new.


1 all of you are stupid, and why would a crank sensor be located in the tank?!!!!
2 problem is the ignition failure sensor. had the same thing

Mar 08, 2011 | 2004 Kia Optima

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Engine light on rpm gage not working


cylinder 1 misfire change spark plugs i just had that problem. you can still drive it it wont hurt the engine.

Apr 25, 2010 | 2004 Kia Optima

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I have a 2006 kia optima codes are showing trim malfunction


bank 1 is one side of the motor and bank 2 is the other side bank 1 is the side with the #1 spark plug

Mar 25, 2010 | 2006 Kia Optima

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Have a check engine light on 2003 Kia Spectra GS. Told by mechanic that the codes state cylinder misfire in 2 cylinders and thinks it's a blown head gasket or cracked valve. Could it be that the wires or...


i think he is wrong ....check plugs wires and for vacuum leaks common for intake gaskets i have changed 3 this year and all had cyl misfire related codes

Nov 16, 2009 | 2003 Kia Spectra

1 Answer

Where are spark plugs on 2004 kia optima and how do i get to them


if it is a 6 cylinder remove engine cover 4 ten mm bolts three are in front under coils then three are under intake if it is a four cyl remove plastic cover in center of valve cover they are under coils and i beleive there are 2 wires as well as 2 coils

Jul 22, 2009 | Kia Optima Cars & Trucks

1 Answer

Cranks but will not stay running


Does the Check Engine light come ON when this happens? Whenever the "Check Engine" light comes on, there is always a DTC (Diagnostic Trouble Code) stored in the ECM (Engine Control Module). You'll need an OBDII (On-Board-Diagnostics) scanner to retrieve any codes recorded/set in ECM. Once you do this and let us know what, if any codes are set, then we can go from there.
There are just too many possible causes for the problem you describe. Example: Sensors like the Mass Air Flow (MAF), Throttle Position Sensor (TPS), Manifold Absolute Pressure (MAP) sensor, Crank Position Sensor (CKP), Engine Coolant Temperature (ECT) Sensor, Intake Air Temperature (IAT) sensor, vacuum leaks, intake air hose leak, Wiring & connectors, clogged intake air filter, bad/contaminated fuel, malfunctioning injectors, poor ignition/spark or spark plugs or wires, Major Engine Mechanical problems, Out of Time, etc. etc. etc.

Apr 29, 2009 | 2001 Kia Optima

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