Check Engine Light Due to Bad Air Flow Meter on Toyota Tacoma

Occasionally, the Check Engine Light may come on, this can be related to a failed air flow sensor. This type of fault is commonly repaired by cleaning or replacing the air flow sensor.

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Average mileage: 141,648 (59,000–200,000)
9 model years affected: 1996, 1998, 1999, 2000, more2001, 2002, 2003, 2004, 2013
34 people reported this problem
14 people shared problem details
2002 Toyota Tacoma140,000
i had mass air flo sensor replaced&oxygen sensor replaced&the light keeps going on
1998 Toyota Tacoma157,000
Check engine light on, running lean code. Goes off after awhile and comes back on again.
2002 Toyota Tacoma190,000
Check engine light came one. Says Air Flow meter... got engine light reset and still came back on... Time for a clean or new sensor. Ouch
2001 Toyota Tacoma125,000
New cats and sensors didn't help when the engine light threw a code for catalytic converters. Toyota wants $2800 for their cats, and had no advice when I emailed them. Putting on a simulator now in order to pass smog, RIDICULOUS!
2001 Toyota Tacoma177,000
Had to replace mass airflow sensor because check engine light was on
2004 Toyota Tacoma135,000
The engine light turned on repeatedly following a 'reset' by my mechanic. He suggested using higher-grade gasoline with lower ethanol content, which seems to have done the trick over the past 2,000 miles or so.
I have had everything changed from the Oxygen sensors to the fuel pump and the light will not go off. I think it might be my gas cap as I noticed cracks around the seal. I guess I will have to wait and see.
1998 Toyota Tacoma120,000
just had to get check engine light reset- nothing wrong with air filter
Problem still exist
2002 Toyota Tacoma190,000
check engine light read codes to show mass air flow sensor. horrified to be told new part is $150.00 !!!I am going to try cleaning the part after research of several articles on this problem.
1996 Toyota Tacoma185,000
MIL Light came on, hesitation and stall with no restart, traced code with OB2Scan tool and AFM MIL light code. Remove and replaced AFM, and car restarted.
As always Engine light Check appearance On and OFF. Although I had changed Catylist
The check engine light just came on. I tried connecting the carmd to the computer and it said I have a lose cap. Do not know where.
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