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View Full Version : P0430/0420 SEL code



jonesa67
07-18-2009, 09:35 AM
Service Engine Light on and codes read 0430 and 0420. From what I have read among the forums is that it is most likely my 02 Sensors and to start with "post" Cat sensors. Does this sound correct and if so, does anyone know of place to get decently priced sensors? I was advised not to use the universal ones even though they are considerably cheaper.

02325
07-18-2009, 08:42 PM
more than likely your cats are bad. you can remove the 02 and check for carbon deposits on them if so knock it off, but more than likely your cats are bad.

how many miles.

jonesa67
08-11-2009, 11:28 PM
over 140K