1999 Toyota Corolla Repair Question
Asked on February 6, 2013
Toyota Corolla Sensor Problem
Engine light is on P0404 CHECK THE O2 SENSOR OR MASS AIRFLOW SENSOR How to fix code po404 on a 1999 Toyota Corolla
Answer
Replied on February 6, 2013
P0404: Exhaust Gas Recirculation Circuit Range/Performance Problem-Try cleaning the EGR valve and see what happens