What can cause a MAF sensor to fail?
What can cause a MAF sensor to fail? The sensor element could get contaminated or damaged. Sometimes, an improperly-installed or ripped air filter can cause the MAF sensor to fail sooner. Over-soaking a washable air filter with oil can also cause troubles with the air flow sensor. How to service Toyota mass air flow sensors? Use a small amount of steal wool on both sensors if they have become heavily oxidized and soot-encrusted. Be careful not to apply too much cleaning pressure on the sensors. Reinstall the mass air flow sensor onto its mount, tightening the two Phillips screws with...