The mass air flow sensor on higher mileage cars occasionally needs to be cleaned or replaced if sluggish acceleration is experienced or the Check Engine Light is illuminated with a mass air flow meter sensor fault code stored.
Car Problem Reports
Toyota Echo Cleaning May Correct Faulty Mass Air Flow Sensor
Toyota Echo Problem
Engine Affected: 1.5L 4 Cylinder
Visitor, 2000 Toyota Echo, 1.5L 4 Cylinder, 150,000 mi
acceleration problem and check engine light on, I clean the mass air flow sensor but the problem persist