Question about 2002 Kia Optima

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Check engine light on p1154 diagnostic 2002 kia optima 2300 mi

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Kia:Heated Oxygen Sensor Bank 2 Sensor 1 Transition
I just had this happen on mine. I will reset code and wait.
If it comes on and it was not a fluke I will replace the O2
sensor on Bank 2 which I think is the rearward bank on our
2.x 6 cylinder Optima 2002 SEV6.

Posted on Jul 04, 2011

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Posted on Jan 02, 2017

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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

2 Answers

When car is parked and idling engine revs up and down without accelereating


Replace idle air control valve then reset the computer with a scan tool or pull the ECM fuse then put it back.

May 14, 2011 | 2002 Kia Optima

1 Answer

When I stop at a light my 2005 Kia Optima engine dies. No check engine light is on. It cranks right back up. Sometimes while going down the road it feels like its dieing and then it will lunge. If I...


Change your crankshaft sensor located behind lower timing belt cover. The way I check it is to unplug the maf and see if it will start if so stop the engine and do a diagnostic 3 DTC's should come up on screen ,one would be the crankshaft sensor. This should be done by a experienced tech.

Feb 25, 2011 | 2004 Kia Optima

1 Answer

Check engine light came on for one day then was off the next morning I started the car. I have a 2007 Kia Optima with 67,700 miles and I had it scanned at auto zone with readings: 1. camshaft adjuster 2....


You could wait or try changing the oil. Atleast check the oil to see if its at the right level. Also it may be your oil pump needing to be changed.

Sep 29, 2010 | 2007 Kia Optima

2 Answers

Where are the spark plugs located on an 04 kia optima


This is general car knowledge. An 04 kia probably has individual coils for each plug on the valve cover. Remove the screws holding the coil on the valve cover, gently pull/twist off (stuck like a cork) plugs should be down deep in cylinder head. Modern engines have iridium (100,000 mi) plugs. Yours could be this ,check the stickers in engine bay.

Mar 10, 2010 | 2004 Kia Optima

1 Answer

Check engine light 04 kia optima has 2 codes egr flow insufficant and catalist below warm


2004 kia optima - check engine light just came on. 87500 miles.... what could be the issues

Dec 29, 2009 | 2004 Kia Optima

2 Answers

2008 Kia Optima Check Engine Light


Just replace the air flow meter.That sounds like your problem.

Sep 16, 2009 | 2006 Kia Amanti

1 Answer

I have a 2002 Kia Optima lx and my oil light pops on and off.


check the connection on the engine sensor .

May 03, 2009 | 2002 Kia Optima

1 Answer

Car dies when driving,check engine light comes on.


There is a good chance it could be your fuel pump , however if the check engine light is coming on and the dealer cant tell you what is wrong , try a different dealer or another shop. Second opinions never hurt.

Dec 12, 2008 | 2002 Kia Optima

1 Answer

2004 kia optima problem


possibly mass air flow meter, if faulty dosent bring light on.

Sep 24, 2008 | 2002 Kia Optima

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