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Manifold Absolute Pressure (MAP) & Intake Air Temperature (IAT) Sensor — Replacement for Part # 12681993 / 12670600 / 12707766

Product Overview

This Manifold Absolute Pressure (MAP) & Intake Air Temperature (IAT) Sensor is a direct-fit replacement for the OEM sensor used on a wide range of Chevrolet, GMC, and Buick vehicles from 2016 to 2026. It is a 4-pin sensor with a female connector that mounts on the engine intake manifold. The sensor combines MAP and IAT functions in a single unit, measuring intake manifold pressure and air temperature and sending precise signals to the ECM for fuel injection and ignition timing control. A faulty sensor can cause reduced power, poor fuel economy, rough idle, and diagnostic trouble codes P0105-P0108 and P0110-P0113.

⚠️ SYMPTOMS OF A FAULTY MAP & IAT SENSOR

If your vehicle exhibits any of the following symptoms, the sensor may need replacement:

• Check Engine Light with codes P0105-P0108 (MAP sensor) or P0110-P0113 (IAT sensor)

• Reduced power or sluggish acceleration

• Poor fuel economy

• Rough idle or engine hesitation

• Hard starting or failure to start

• Black smoke from exhaust

Key Features

• Direct OEM Replacement — Matches the function and signal output of the original equipment sensor

• Integrated MAP & IAT Functions — Combines manifold pressure and air temperature sensing in one unit

• 4-Pin Connector — Female connector with male blade terminals, compatible with OEM wiring harness

• Flange Mount Design — Direct installation without modification

• Durable Construction — High-quality plastic housing resistant to heat, vibration, and oil

• OEM Cross-Reference — Replaces 12681993, 12670600, 12707766, 5S15725, 082800-0630

Specifications

Fitment

Compatible with the following vehicles (selected):

• Chevrolet Equinox: 2018-2026 (1.5L L4 / 1.6L Diesel)

• Chevrolet Malibu: 2016-2025 (1.5L L4 / 2.0L L4)

• Chevrolet Silverado 2500 HD: 2017-2025 (6.6L V8 Diesel)

• Chevrolet Silverado 3500 HD: 2017-2025 (6.6L V8 Diesel)

• Chevrolet Cruze: 2018-2019 (1.4L L4)

• Chevrolet Trax: 2019-2022 (1.4L L4)

• GMC Terrain: 2018-2026 (1.5L L4 / 1.6L Diesel)

• GMC Sierra 2500 HD: 2017-2025 (6.6L V8 Diesel)

• GMC Sierra 3500 HD: 2017-2025 (6.6L V8 Diesel)

• Buick Cascada: 2017-2019 (1.6L L4)

• Buick Encore: 2018-2019 (1.4L L4)

⚠️ Important Installation Notes

1. Please verify your vehicle's year, make, model, and engine size before ordering.

2. The sensor is located on the engine intake manifold. Disconnect the negative battery terminal before installation.

3. Clean the mounting surface and inspect the sensor port for debris or oil buildup before installing the new sensor.

4. Do not overtighten the mounting bolts. Hand-tighten plus a quarter turn is sufficient.

5. Check the connector terminals for corrosion or damage before installation.

6. Professional installation is recommended. Diagnostic scan tool may be required to clear fault codes after installation.

7. Symptoms of a faulty sensor: P0105-P0108/P0110-P0113 codes, reduced power, poor fuel economy.

⚠️ Disclaimer

This is an aftermarket replacement part. It is not manufactured by or affiliated with General Motors, Chevrolet, GMC, Buick, or any of their subsidiaries. All OEM part numbers are provided for reference and cross-reference purposes only.