How to replace the MAP Sensor on 2008 Chevrolet Trailblazer?

Replacement of the Manifold Absolute Pressure Sensor: To replace the sensor, disconnect the engine wiring harness to the sensor, pull off the screw of the sensor and remove the sensor. Check the seal and change it where necessary. Apply clean engine oil to the new seal, reattach sensor and reconnect the wiring harness.

OEM 2008 Chevrolet Trailblazer MAP Sensor

Manifold Air Pressure Sensor

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2 MAP Sensors found

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2008 Chevrolet Trailblazer Throttle Position Sensor Part Number: 12711681
$46.60 MSRP: $94.64
You Save: $48.04 (51%)
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Product Specifications
- Other Name: Sensor, Computer Control Sensors; MAP Sensor; M.A.P. Sensor; Pressure Sensor; Boost Sensor; Sensor; Sensor, Turbocharger/Supercharger
- Replaces: 12694725, 12644228, 12594942, 12701247
- Item Weight: 0.50 Pounds
- Item Dimensions: 6.3 x 4.1 x 2.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12711681
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2008 Chevrolet Trailblazer Submodels:
- Base, LT, SS | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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2008 Chevrolet Trailblazer M.A.P. Sensor Part Number: 19418808
$73.36 MSRP: $125.98
You Save: $52.62 (42%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Sensor, Computer Control Sensors; MAP Sensor; Valve Assembly
- Replaces: 16249939, 09359409, 12614973, 16187556, 9359409
- Condition: New
- SKU: 19418808
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following 2008 Chevrolet Trailblazer Submodels:
- Base, LS, LT, SS | 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS

2008 Chevrolet Trailblazer MAP Sensor

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2008 Chevrolet Trailblazer MAP Sensor Parts and Q&A

Q: How to replace the MAP Sensor on 2008 Chevrolet Trailblazer?
A: Replacement of the Manifold Absolute Pressure Sensor: To replace the sensor, disconnect the engine wiring harness to the sensor, pull off the screw of the sensor and remove the sensor. Check the seal and change it where necessary. Apply clean engine oil to the new seal, reattach sensor and reconnect the wiring harness.