HomeStandard Ignition MAS0191 Mass Air Flow Sensor
Part #: MAS0191

Standard Ignition MAS0191 Mass Air Flow Sensor

10 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Toyota, Tacoma
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Overview of Standard Ignition MAS0191 Mass Air Flow Sensor

The Standard Ignition MAS0191 Mass Air Flow Sensor is designed specifically for Toyota Tacoma models, providing accurate air flow measurement essential for optimal engine performance. This sensor features a bolt-on attachment method and a durable metal and plastic construction to ensure reliable operation.

  • Compatible with Toyota Tacoma vehicles
  • Bolt-on attachment method with 2 bolt holes for secure installation
  • Single female rectangular connector for easy connection
  • Five male blade terminals for precise electrical contact
  • Durable metal and plastic materials for long-lasting use
  • Sensor only; housing not included

Detailed Product Description

The MAS0191 Mass Air Flow Sensor by Standard Ignition is engineered to measure the volume and density of air entering the engine intake system of Toyota Tacoma trucks. This sensor uses a rectangular female connector with one connection point and five male blade terminals to transmit accurate data to the engine control unit (ECU). The bolt-on design with two bolt holes allows for straightforward replacement without the need for additional modifications. Constructed from metal and plastic components, this sensor balances durability with precision. Note that this product includes the sensor only and does not come with a housing.

Common Applications and Issues Addressed

  • Helps resolve engine performance problems related to incorrect air-fuel mixture
  • Addresses rough idling and stalling issues caused by faulty air flow readings
  • Improves fuel efficiency by providing accurate air intake data
  • Reduces emissions by ensuring proper combustion control
  • Eliminates check engine light triggers related to mass air flow sensor faults

Installation Notes and Tips

  • Ensure the vehicle is turned off and cooled before installation
  • Use the two bolt holes to securely mount the sensor in place
  • Connect the female rectangular connector firmly to avoid loose electrical contact
  • Verify the five male blade terminals are clean and undamaged before installation
  • Do not reuse the old sensor housing; this product includes sensor only

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The MAS0191 Mass Air Flow Sensor undergoes rigorous quality control to ensure reliable performance in Toyota Tacoma vehicles. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.

BrandStandard Ignition
Part NumberMAS0191
Attachment MethodBolt On
Connector GenderFemale
Connector ShapeRectangular
Housing IncludedNo
MaterialMetal, Plastic
NotesSensor Only
Number of Bolt Holes2
Terminal GenderMale
Terminal TypeBlade

This part fits 10 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2004ToyotaTacoma2.4LL4N/A
2004ToyotaTacoma2.7LL4N/A
2003ToyotaTacoma2.4LL4N/A
2003ToyotaTacoma2.7LL4N/A
2002ToyotaTacoma2.4LL4N/A
2002ToyotaTacoma2.7LL4N/A
2001ToyotaTacoma2.4LL4N/A
2001ToyotaTacoma2.7LL4N/A
2000ToyotaTacoma2.4LL4N/A
2000ToyotaTacoma2.7LL4N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

158-07771MF1712-14631222040C010245-12285S289464-174974-50022AF10133DL-3014MA1057MA185MAF0049MAF1066

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.