Easy step by step guide on how to replace an automotive mass air flow sensor
P0100, P0101, P0102, P0103 and P0104, though appearances may vary, the process is similar
for most vehicles.
Difficulty Scale: 3 of 10
Begin with the vehicle on level ground, parking brake on, engine off.
Step 1 - When replacing a mass air flow sensor,
first locate the sensor which is positioned in the air intake tube between the air
filter housing and throttle body.