while driving my car would not accelerate on 2007 Nissan Maxima

while driving my car it would not accelerate after I shut it off it would not turn on again while this happened the brake light and the battery light came on also the check engine light came on so I plugged in my odbII pocket scanner and I got a code 0420 what would cause this problem. thank you

Asked by for the 2007 Nissan Maxima
1 answer
POSS PLUGGED EXH,PO420 IS CATT ISSES