Changed both the o2 senors but still hasatating ( even more now )

10

Asked by Jackling Mar 16, 2014 at 03:39 PM about the 2006 Hyundai Sonata GL FWD

Question type: Maintenance & Repair

. I have a 2006 hyundia sonata 4cyl. .... I had a code for o2 señor so changed it and then
changed the other one on Monday and now it hadatates more then before it is not back
firing it just hadatates sometimes but also doesn't want to start right up ?  .. I went to auto
zone and the codes came up as  po304 po301 po420 po011 po300 how do I know which
one or is it all ? Thank you if you can help me ..

8 Answers
199,835

dandyoun answered 10 years ago

http://www.obd-codes.com/p0420 -- check these links out for possible causes and solutions.

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10

Jackling answered 10 years ago

Thank you, I got that info... But I still don't know which one it can be or is it all of them ? is there a way to find out which one it is ( pin point which one is the problem) or do I have replace all of them ?

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199,835

dandyoun answered 10 years ago

I would look into the p0011 code. Camshaft timing bank one. It could have caused the 300,301,304 (misfire) codes and the 420(02 sensor) codes. The timing issue could have caused the other codes to pop. And when timing issue resolved the other codes should(could) clear.

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199,835

dandyoun answered 10 years ago

I am finding several owners with oil control valve issues on this model car causing the p0011 code to pop. Might want to look into how to test, clean or replace the oil control valve. How long since your last oil change? Is oil thick and black or clean looking? This can cause the p0011 code too.

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199,835

dandyoun answered 10 years ago

www.youtube.com/watch?v=m3WsFb00Fik -- check this out for its location and replacement.

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