Check engine light Stays on
Getting a PO421 code? Is this a bad CAT?
Car is sonata 2002 with a 2.4L with 94k miles. In the last 3,000 miles have had tune-up,new timing chain,new water pump.I understand CAT are expensive for this type of vechile. -- Message posted using http://www.talkaboutautos.com/group/alt.autos.hyundai/ More information at http://www.talkaboutautos.com/faq.html |
Re: Check engine light Stays on
Most likely, yes, you need a manifold catalytic converter. Check for
exhaust leaks and proper oxygen sensor operation. If oxygen sensors are working properly and there are no exhaust leaks, replace the converter. -- Message posted using http://www.talkaboutautos.com/group/alt.autos.hyundai/ More information at http://www.talkaboutautos.com/faq.html |
Re: Check engine light Stays on
Lucked out new gas cap did the trick.
Happy Holidays -- Message posted using http://www.talkaboutautos.com/group/alt.autos.hyundai/ More information at http://www.talkaboutautos.com/faq.html |
Re: Check engine light Stays on
A new gas cap won't cure a P0421. What makes you think you've fixed the
problem? -- Message posted using http://www.talkaboutautos.com/group/alt.autos.hyundai/ More information at http://www.talkaboutautos.com/faq.html |
Re: Check engine light Stays on
After looking back, I see the tone of the previous post appears abrasive.
It wasn't meant to be. I am indeed interested in why you believe the car is fixed. Did the lamp go out? Did you turn it out and it didn't come back on? -- Message posted using http://www.talkaboutautos.com/group/alt.autos.hyundai/ More information at http://www.talkaboutautos.com/faq.html |
Re: Check engine light Stays on
Lamp went out and hasn't come back on.
-- Message posted using http://www.talkaboutautos.com/group/alt.autos.hyundai/ More information at http://www.talkaboutautos.com/faq.html |
Re: Check engine light Stays on
Lamp went out by its self and has not come back on.
-- Message posted using http://www.talkaboutautos.com/group/alt.autos.hyundai/ More information at http://www.talkaboutautos.com/faq.html |
Re: Check engine light Stays on
Chances are your catalytic converter is at marginal efficiency. The lamp
will probably come back on sooner or later, with the same code. Since it went out on its own, disconnect the negative battery terminal for about five seconds to clear the code (presuming you're outside the 8/80 warranty period). If you're still within the warranty period, present the car to the dealer for service, hopefully while the code is still present in memory. -- Message posted using http://www.talkaboutautos.com/group/alt.autos.hyundai/ More information at http://www.talkaboutautos.com/faq.html |
Re: Check engine light Stays on
I'll keep you posted.
Foot Note: Local newspaper article said certain individuals are stealing CAT for metal value?Some can be taken within minutes. -- Message posted using http://www.talkaboutautos.com/group/alt.autos.hyundai/ More information at http://www.talkaboutautos.com/faq.html |
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