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: 145,067 (59,000–200,000)
10 model years affected: 1995, 1996, 1998, 1999, more2000, 2001, 2002, 2003, 2004, 2013
38 people reported this problem
19 people shared problem details
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
1998 Toyota Tacoma157,000
Check engine light on, running lean code. Goes off after awhile and comes back on again.
2002 Toyota Tacoma140,000
i had mass air flo sensor replaced&oxygen sensor replaced&the light keeps going on
1998 Toyota Tacoma120,000
just had to get check engine light reset- nothing wrong with air filter
2001 Toyota Tacoma177,000
Had to replace mass airflow sensor because check engine light was on
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!
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.
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.
1995 Toyota Tacoma179,000
Only on the first start up of the day it ran real rough almost dying for like 5 minutes which triggered the check engine light.I reset the light and it ran rest of day fine till next morning again.I'm repacking the air flow sensor in the morning ...will see if that does it.
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.
Just came is running fine...what should i do?
1996 Toyota Tacoma150,000
When I was driving it started choking and the engine light when off. What needs to be replaced or fixed?
2000 Toyota Tacoma148,000
Engine light stays on
2002 Toyota Tacoma150,000
The engine light comes on when you started. Someone told m it was the air filter sensor.
Problem still exist
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.
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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