2017-10-10
Illuminated check engine light
Reduced engine power or acceleration
Hesitation or stalling
Rough idle or running poorly
Poor fuel economy
Dirty or contaminated MAF sensor element
Damaged or faulty MAF sensor
Loose or damaged electrical connections in the MAF circuit
Vacuum leaks in the intake system
Clogged air filter
Faulty or dirty throttle body
Failed engine control module (ECM)
Mass Air Flow Sensor: A mass (air) flow sensor (MAF) measures the amount of air entering the engine to ensure proper combustion. This car's malfunctioning MAF sensor will lead to poor fuel economy and performance
Clean or replace the MAF sensor element
Replace the MAF sensor if necessary
Check and repair any damaged wiring or connections in the MAF circuit
Check for and repair any vacuum leaks in the intake system
Replace any clogged air filters
Clean or replace the throttle body
Replace the engine control module (ECM) if necessary