was it done at a toyota dealer? if the light came on right after they did the timing belt, then they messed something up. they might have missed the timing by a tooth or so, or left something disconnected. do me a favor: please check the air box where your air filter is located. there is a...
P0420 is a code for "catalyst efficiency below threshold". which means you have to replaced the catalytic converter with a TOYOTA catalytic converter. unfortunately is very expensive. even more unfortunately is that if you buy an aftermarket CAT, it most likey will not meet toyota's threshold...
P0420 is a code for "catalyst efficiency below threshold". which means you have to replaced the catalytic converter with a TOYOTA catalytic converter. unfortunately is very expensive. even more unfortunately is that if you buy an aftermarket CAT, it most likey will not meet toyota's threshold...