Curiosii for ever!: Car repair manuals for everyone.

Component Inspection




MASS AIR FLOW SENSOR
1. Turn ignition switch "ON".
2. Start engine and warm it up sufficiently.




3. Check voltage between terminal 1 and ground.
^ Check for linear voltage rise in response to increases to about 4,000 rpm in engine speed.




4. If NG, remove mass air flow sensor from air duct. Check hot film for damage or dust.