1999 Toyota Corolla Repair Question

Topics covered: Sensor, Egr valve, Engine.
Mileage: 89,000 miles.

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

Asked by (pending member)

Replied on February 6, 2013

P0404: Exhaust Gas Recirculation Circuit Range/Performance Problem-Try cleaning the EGR valve and see what happens

Answered by rasmataz
68 questions asked