How to Check and Remove the Mass Air Flow Sensor on a Toyota Supra?

The Mass Air Flow Sensor is situated between the air cleaner housing and the air intake duct to the throttle body. To test it, unplug the electrical connector and connect an ohmmeter to the terminals, checking that the resistance values match the specified measurements; if any values are outside the specified range, the Mass Air Flow Sensor needs replacement. For non-turbo models, unplug the electrical connector, detach the Mass Air Flow Sensor from the air cleaner housing for 1979-1981 models, loosen the hose clamps and detach the ducts for 1982-1986 models, and for 1987 and later models, loosen the hose clamp for the No. 2 air cleaner hose, remove the air cleaner cap and filter, and detach the Mass Air Flow Sensor from the housing. A bench check can be performed on non-turbo models after removal by connecting an ohmmeter between the terminals and checking the measuring plate openings, noting that resistance between terminals E2 and Vs will vary with the measuring plate opening. For turbo models, remove the air cleaner ducts, unplug the electrical connector, release the spring-type clamps and bracket bolt, loosen the large hose clamp, and remove the Mass Air Flow Sensor and air cleaner housing together. Then, remove the screws and bracket from the Mass Air Flow Sensor, pry off the lock plate, and detach the mounting nuts from inside the housing for 1987 and later turbo models. Installation follows the reverse order of removal.

Genuine Toyota Supra Mass Air Flow Sensor

MAF Sensor Meter

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6 Mass Air Flow Sensors found

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Toyota Supra Intake Air Flow Meter Sub-Assembly
Part Number: 22204-20010
$217.84 MSRP: $312.36
You Save: $94.52 (31%)
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Product Specifications
- Other Name: Meter Sub-Assy, Intake Air Flow; Air Mass Sensor, Mass Air Flow Sensor
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1997-1998 Toyota Supra | 6 Cyl 3.0L | 2JZGE, 2JZGTE; JZA80L-AJFVZA, JZA80L-AJFVZK, JZA80L-AJMVFA, JZA80L-AJPVFA, JZA80L-AJPVZA, JZA80L-AJPVZK, JZA80L-ALFVZA, JZA80L-ALMVFA, JZA80L-ALPVFA, JZA80L-ALPVZA
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Toyota Supra Intake Air Flow Meter Assembly
Part Number: 22250-46040
$717.18 MSRP: $1070.86
You Save: $353.68 (34%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Meter Assy, Intake Air Flow; Air Mass Sensor
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1995-1998 Toyota Supra | 6 Cyl 3.0L | 2JZGE, 2JZGTE; JZA80L-AJFVZA, JZA80L-AJFVZK, JZA80L-AJMVFA, JZA80L-AJPVFA, JZA80L-AJPVZA, JZA80L-AJPVZK, JZA80L-ALFVZA, JZA80L-ALMVFA, JZA80L-ALPVFA, JZA80L-ALPVZA
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Toyota Supra Meter Assy, Intake Air Flow
Part Number: 22250-42030
Product Specifications
- Other Name: Air Mass Sensor, Mass Air Flow Sensor
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1986-1992 Toyota Supra | 6 Cyl 3.0L | 7MGE, 7MGTE; MA70L-BJMVFA, MA70L-BJMVFK, MA70L-BJMVZA, MA70L-BJMVZK, MA70L-BJPVFA, MA70L-BJPVFK, MA70L-BJPVZA, MA70L-BJPVZK, MA70L-BLMVFA, MA70L-BLMVFK, MA70L-BLMVZA, MA70L-BLMVZK, MA70L-BLPVFA, MA70L-BLPVFK, MA70L-BLPVZA, MA70L-BLPVZK
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Toyota Supra Mass Air Flow Sensor
Part Number: 22250-46010
Product Specifications
- Other Name: Meter Assy, Intake Air Flow; Air Mass Sensor
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1993-1996 Toyota Supra | 6 Cyl 3.0L | 2JZGE, 2JZGTE; JZA80L-AJFVZA, JZA80L-AJFVZK, JZA80L-AJMVFA, JZA80L-AJPVFA, JZA80L-AJPVZA, JZA80L-AJPVZK, JZA80L-ALFVZA, JZA80L-ALMVFA, JZA80L-ALPVFA, JZA80L-ALPVZA
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Toyota Supra Mass Air Flow Sensor
Part Number: 22250-42020
Product Specifications
- Other Name: Meter Assy, Intake Air Flow; Mass Air Flow Sensor, Meter
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1986-1992 Toyota Supra | 6 Cyl 3.0L | 7MGE, 7MGTE; MA70L-BJMVFA, MA70L-BJMVFK, MA70L-BJMVZA, MA70L-BJMVZK, MA70L-BJPVFA, MA70L-BJPVFK, MA70L-BJPVZA, MA70L-BJPVZK, MA70L-BLMVFA, MA70L-BLMVFK, MA70L-BLMVZA, MA70L-BLMVZK, MA70L-BLPVFA, MA70L-BLPVFK, MA70L-BLPVZA, MA70L-BLPVZK
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Toyota Supra Meter Assembly Intake Air Flow
Part Number: 22250-46030
Product Specifications
- Other Name: Meter Assy, Intake Air Flow; Air Mass Sensor
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1993-1998 Toyota Supra | 6 Cyl 3.0L | 2JZGE, 2JZGTE; JZA80L-AJFVZA, JZA80L-AJFVZK, JZA80L-AJMVFA, JZA80L-AJPVFA, JZA80L-AJPVZA, JZA80L-AJPVZK, JZA80L-ALFVZA, JZA80L-ALMVFA, JZA80L-ALPVFA, JZA80L-ALPVZA

Toyota Supra Mass Air Flow Sensor

The Mass Air Flow Sensor on the Toyota Supra measures the incoming air so that the engine control unit can supply the appropriate fuel. This Mass Air Flow Sensor measures the mass flow rate of air entering the intake tract, then sends an electric signal that the ECU uses to set injector pulse width. This feedback controls the timing of the fuel injector in Supra engines. Toyota Supra applications are reported to have two styles: the vane air flow meter and the hot wire Mass Air Flow Sensor. The vane version has a spring-loaded flap that pivots into the airflow. Flap angle is converted to a voltage proportional to air volume by a potentiometer. Because it is a mechanical device, the vane can impede flow and may stick if contamination occurs. The functionality of the hot wire Mass Air Flow Sensor is such that it heats a fine wire within the air stream. Moreover, it monitors the current necessary to maintain the temperature of this fine wire. More airflow means greater cooling of this wire. Furthermore, it alters the current draw accordingly. Thus, it provides an accurate low-restriction measurement. The deposits from dirt or oil on either style can skew their readings, which can cause hesitation, stalling, rich or lean mixtures, and diagnostic trouble codes. Your Toyota Supra's ECU depends on data from the Mass Air Flow Sensor. Maintaining a clean Toyota intake path helps each Mass Air Flow Sensor provide dependable data to the Toyota Supra ECU.

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Toyota Supra Mass Air Flow Sensor Parts Questions & Experts Answers

Mass Air Flow Sensor
22250-42020
Q: How to Check and Remove the Mass Air Flow Sensor on a Toyota Supra?
A:
The Mass Air Flow Sensor is situated between the air cleaner housing and the air intake duct to the Throttle Body. To test it, unplug the electrical connector and connect an ohmmeter to the terminals, checking that the resistance values match the specified measurements; if any values are outside the specified range, the Mass Air Flow Sensor needs replacement. For non-turbo models, unplug the electrical connector, detach the Mass Air Flow Sensor from the air cleaner housing for 1979-1981 models, loosen the hose clamps and detach the ducts for 1982-1986 models, and for 1987 and later models, loosen the hose clamp for the No. 2 air cleaner hose, remove the air cleaner cap and filter, and detach the Mass Air Flow Sensor from the housing. A bench check can be performed on non-turbo models after removal by connecting an ohmmeter between the terminals and checking the measuring plate openings, noting that resistance between terminals E2 and Vs will vary with the measuring plate opening. For turbo models, remove the air cleaner ducts, unplug the electrical connector, release the spring-type clamps and bracket bolt, loosen the large hose clamp, and remove the Mass Air Flow Sensor and air cleaner housing together. Then, remove the screws and bracket from the Mass Air Flow Sensor, pry off the lock plate, and detach the mounting nuts from inside the housing for 1987 and later turbo models. Installation follows the reverse order of removal.