HomeEmission Control > SensorsSpectra MA186 Mass Air Flow Sensor
Part #: MA186

Spectra MA186 Mass Air Flow Sensor

⚙️ 36 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Toyota and Lexus, Solara, ES300, Camry, GS300, GS400, LS400, SC300, SC400, Sienna, and Avalon
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Reliable Mass Air Flow Sensor for Lexus and Toyota Vehicles

The Spectra MA186 Mass Air Flow Sensor is designed to provide accurate airflow measurement for a range of Lexus and Toyota models. This sensor helps maintain optimal engine performance by ensuring the correct air-fuel mixture.

  • Compatible with Lexus and Toyota models including Avalon, Camry, ES300, GS300, GS400, LS400, SC300, SC400, Sienna, and Solara
  • OEM-quality replacement part number MA186
  • Measures the volume and density of air entering the engine
  • Ensures efficient fuel delivery and engine operation
  • Direct fit for easy installation without modifications

Product Details and Functionality

The Spectra MA186 Mass Air Flow Sensor is engineered to accurately detect the amount of air entering the engine intake system. This data is critical for the engine control unit (ECU) to calculate the proper fuel injection amount. Designed specifically for Lexus and Toyota vehicles such as the Camry and Avalon, this sensor supports smooth engine performance and helps reduce emissions. The part number MA186 corresponds to a direct replacement sensor that meets or exceeds original equipment specifications.

Common Applications and Issues Addressed

  • Helps resolve rough idling and engine hesitation
  • Improves fuel efficiency by providing accurate airflow data
  • Reduces engine stalling caused by incorrect air-fuel mixture
  • Addresses check engine light triggers related to airflow sensor faults
  • Supports emission control compliance for affected Lexus and Toyota models

Installation Notes and Tips

Installation of the Spectra MA186 sensor is straightforward with a direct fit design for compatible Lexus and Toyota vehicles. Before installation, ensure the engine is cool and disconnect the battery to prevent electrical issues. Remove the old sensor carefully to avoid damage to the intake system. After installing the new sensor, clear any diagnostic trouble codes using an OBD-II scanner to reset the ECU.

Quality Assurance and Warranty Information

Manufactured to meet strict quality standards, the Spectra MA186 Mass Air Flow Sensor undergoes rigorous testing to ensure reliable performance. This part is backed by a limited warranty covering defects in materials and workmanship, providing confidence in its durability and function.

This part fits 36 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2003ToyotaSolara3.0LV6N/ACompatible with multiple Mass Air Flow Sensors.
2002ToyotaSolara3.0LV6N/ACompatible with multiple Mass Air Flow Sensors.
2001LexusES3003.0LV6N/ASensor Only; without Variable Valve Timing
2001ToyotaCamry3.0LV6N/ACompatible with multiple Mass Air Flow Sensors.
2001ToyotaSolara3.0LV6N/ACompatible with multiple Mass Air Flow Sensors.
2000LexusES3003.0LV6N/ASensor Only; without Variable Valve Timing
2000LexusGS3003.0LL6N/ACompatible with multiple Mass Air Flow Sensors.
2000LexusGS4004.0LV8N/ACompatible with multiple Mass Air Flow Sensors.
2000LexusLS4004.0LV8N/ACompatible with multiple Mass Air Flow Sensors.
2000LexusSC3003.0LL6N/ACompatible with multiple Mass Air Flow Sensors.
2000LexusSC4004.0LV8N/ACompatible with multiple Mass Air Flow Sensors.
2000ToyotaCamry3.0LV6N/ACompatible with multiple Mass Air Flow Sensors.
2000ToyotaSienna3.0LV6N/ACompatible with multiple Mass Air Flow Sensors.
2000ToyotaSolara3.0LV6N/ACompatible with multiple Mass Air Flow Sensors.
1999LexusES3003.0LV6N/ASensor Only; without Variable Valve Timing
1999LexusGS3003.0LL6N/ACompatible with multiple Mass Air Flow Sensors.
1999LexusGS4004.0LV8N/ACompatible with multiple Mass Air Flow Sensors.
1999LexusLS4004.0LV8N/ACompatible with multiple Mass Air Flow Sensors.
1999LexusSC3003.0LL6N/ACompatible with multiple Mass Air Flow Sensors.
1999LexusSC4004.0LV8N/ACompatible with multiple Mass Air Flow Sensors.
1999ToyotaAvalon3.0LV6N/ACompatible with multiple Mass Air Flow Sensors.
1999ToyotaCamry3.0LV6N/ACompatible with multiple Mass Air Flow Sensors.
1999ToyotaSienna3.0LV6N/ACompatible with multiple Mass Air Flow Sensors.
1999ToyotaSolara3.0LV6N/ACompatible with multiple Mass Air Flow Sensors.
1998LexusES3003.0LV6N/ACompatible with multiple Mass Air Flow Sensors.
1998LexusGS3003.0LL6N/ACompatible with multiple Mass Air Flow Sensors.
1998LexusGS4004.0LV8N/ACompatible with multiple Mass Air Flow Sensors.
1998LexusLS4004.0LV8N/ACompatible with multiple Mass Air Flow Sensors.
1998LexusSC3003.0LL6N/ACompatible with multiple Mass Air Flow Sensors.
1998LexusSC4004.0LV8N/ACompatible with multiple Mass Air Flow Sensors.
1998ToyotaAvalon3.0LV6N/ACompatible with multiple Mass Air Flow Sensors.
1998ToyotaCamry3.0LV6N/ACompatible with multiple Mass Air Flow Sensors.
1998ToyotaSienna3.0LV6N/ACompatible with multiple Mass Air Flow Sensors.
1997LexusES3003.0LV6N/ACompatible with multiple Mass Air Flow Sensors.
1997ToyotaAvalon3.0LV6N/ACompatible with multiple Mass Air Flow Sensors.
1997ToyotaCamry3.0LV6N/ACompatible with multiple Mass Air Flow Sensors.

* 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:

1570247222042001024227M24227P24511374M10955915364172974500238650023917821AF10037AF10062MA1055MAF10062MAF1052MAS0189MF4227MF4227NMF4227TMQ7252SU5231XTP450023

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