Have Toyota Questions? Ask a Mechanic for Answers ASAP
good evening my name is ***** ***** I will assist
the 420 is a cat effiency code. the cat converter has to be replaced as the internals are worn out and cannot do there job anymore.
the 440 is an evap code. you will need a scan tool, volt meter and smoke machine to help track down the leak in the system.
1135 is a oxygen sensor heater code. the oxygen sensor most likely has failed and needs to be replaced.
how are you making out
how are you making out???
please dont forget to rate me as it is the only way I get paid for my efforts