P0420 = Catalyst Efficiency Below Threshold (Bank 1).The downstream O2 sensor is sending a signal to the ECM that the catalytic converter for bank 1 is not working properly. Could be several reasons, the big one would be catalytic failure. But the reason why the cat failed needs to be diagnosed.
i need code cassette for Hyundai accent 2002 ..please
Code PO420 is catalytic converter efficiency low bank 1
All Hyundai accent in that year physically don't have that code they will start in p0,p2 and u0 . None start in p1
Have the car re-scanned. P0310 is cylinder #10 misfire. This code is no applicable to the Accent.
http://www.modifiedlife.com/2001-hyundai-accent-car-stereo-radio-wiring-diagram/
my code is 1564 for 95 Hyundai accentFromHyundai OwnerEach Hyundai will come with a card this card contains the code to you radio without this card the radio will not unlock because of the theft system.
Trouble code P0711 means:Transmission fluid temperature sensor circuit range/performance
I have my code I need to know what to do with it so my radio will work the battery was removed.
Trouble code P0172 means: System too rich (Bank 1)
Trouble code P1624 means: Cooling Fan Relay Circuit Malfunction, Low Circuit
catalyst system fault
The code 1709 is pointing to a problem with the Kick Down Servo Switch. Circuit open or shorted to ground.