How to replace the Mass Air Flow Sensor with the Intake Air Temperature Sensor on 2009 Chevrolet Trailblazer?

When the Mass Air Flow Sensor is to be substituted with Intake Air Temperature Sensor, try to be careful to avoid damaging the honeycell and making sure the sensing elements are not dirty. Unhook the engine harness, take off the old sensor and installed the new sensor and hook the engine harness back in.

OEM 2009 Chevrolet Trailblazer Mass Air Flow Sensor

MAF Sensor Meter

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2009 Chevrolet Trailblazer Mass Air Flow Sensor, Passenger Side Part Number: 15865791
$75.18 MSRP: $152.70
You Save: $77.52 (51%)
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Product Specifications
- Other Name: Sensor, Mass Airflow (W/Intake Air Temperature Sensor); Air Charge Temperature Sensor; Manifold Sensor; Air Mass Sensor; Air Temperature Sensor; Intake Air Temperature Sensor; Computer Control Sensors.
- Position: Passenger Side
- Replaces: 12576410
- Item Weight: 0.40 Pounds
- Item Dimensions: 4.5 x 4.2 x 1.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 15865791
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2009 Chevrolet Trailblazer Submodels:
- Base, LS, LT | 6 Cyl 4.2 L GAS
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2009 Chevrolet Trailblazer Mass Air Flow Sensor Part Number: 19330121
$319.89 MSRP: $573.80
You Save: $253.91 (45%)
Product Specifications
- Other Name: Sensor, Computer Control Sensors; Air Mass Sensor
- Replaces: 25318411, 15904068
- Item Weight: 1.00 Pounds
- Item Dimensions: 9.1 x 7.4 x 6.2 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 19330121
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2009 Chevrolet Trailblazer Submodels:
- Base, LS, LT, SS | 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS

2009 Chevrolet Trailblazer Mass Air Flow Sensor

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2009 Chevrolet Trailblazer Mass Air Flow Sensor Parts and Q&A

Q: How to replace the Mass Air Flow Sensor with the Intake Air Temperature Sensor on 2009 Chevrolet Trailblazer?
A: When the Mass Air Flow Sensor is to be substituted with Intake Air Temperature Sensor, try to be careful to avoid damaging the honeycell and making sure the sensing elements are not dirty. Unhook the engine harness, take off the old sensor and installed the new sensor and hook the engine harness back in.