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Good luck with that!! It could be an oxygen sensor or a catalytic converter. Or like in my case I replaced both and still have the same code. Was told not to worry if the car runs fine. yeah right!!
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Can you fix your Toyota Celica?
sure
How do you fix a p0420 code on your 96 Honda civic?
After googling it is determined Code P0420 ( Catalytic converter effeciency below threshold)
How do you fix code p0420 on your Chevy prism?
you stick some plastic explosives on it and run
What does P0420 on a Lexus ES330 means?
P0420 = Catalyst System Efficiency Below Threshold Bank 1.Replacing the oxygen (O2) sensors may sometimes fix the code, but in most cases the catalytic converter needs to be replaced to fix the problem. If the P0420 code is combined with other codes, try fixing the other codes first.
How do you fix a P0420 code for a Cadillac Seville?
it cant be fixed just tightend your gas cap harder
What is a PO420 code on a 1997 Toyota Camry and how do you fix it?
P0420 is the catalyst efficiency code. The most common thing is the catalytic converter itself is no longer functioning properly. The other likely thing is the rear oxygen sensor is no longer working properly.
How do you fix a P0420 bank 1 on a 04 dodge stratus?
How do you fix a p0420 bank 1 on a 05 dodge stratus
Can you drive your car with obd code p0420?
DTC P0420 = Catalyst System Efficiency Below Threshold (Bank 1)You can drive it but it would be wise to have the vehicle checked out as soon as possible. Putting this off could cost you more in the long run. If you have other codes preceding code P0420 fix them in order as they come up before you attempt to fix P0420.
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Reset the code. If comes back check o2 sensor and cat
How do you fix p0420 code in rav4 2003?
Replace the catalytic converterReplace the catalytic converter
What is Code p0420 for a 1996 cirrus 2.5 v6 and how to fix it?
Catalytic converter failure. Replace the catalytic converter.
How do you fix a stereo and clock that does not work in a Toyota Celica?
most likely it its fuse blown out. replace the fuse if it is.
