How to service the MAP Sensor on Chevrolet Express 2500?

Service of the manifold absolute pressure (MAP) sensor requires you to turn off the ignition first followed by engine cover removal. Separate the MAP Sensor harness connector while exercising caution to prevent damaging either the MAP Sensor or the Intake Manifold through maneuvering. Pull the MAP Sensor straight up with gentle rocking motions until removal and discard its MAP Sensor grommet afterward. To install the new MAP Sensor grommet position it on top of the sensor before you can install the sensor itself and once both pieces are in position you can reconnect the MAP Sensor harness connector before placing the engine cover back in place.

How to replace the MAP Sensor on Chevrolet Express 2500?

The replacement process for the manifold absolute pressure sensor starts by eliminating the engine cover followed by MAP Sensor connector removal. You should take the MAP Sensor out of the Intake Manifold. When installing the fresh sensor one must apply a thin layer of clean engine oil to the MAP Sensor seal. After installation of the MAP Sensor to the upper Intake Manifold connect its electrical connector and reinstall the engine cover.

OEM Chevrolet Express 2500 MAP Sensor

Manifold Air Pressure Sensor

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6 MAP Sensors found

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Chevrolet Express 2500 Map Sensor Part Number: 55568175
$32.42 MSRP: $53.40
You Save: $20.98 (40%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor, Computer Control Sensors; Manifold Absolute Pressure Sensor; Pressure Sensor; Sensor
- Replaces: 55206797
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2022 Chevrolet Express 2500 | Base, LS, LT | 4 Cyl 2.8 L DIESEL
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Chevrolet Express 2500 M.A.P. Sensor Part Number: 19418812
$91.55 MSRP: $185.96
You Save: $94.41 (51%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor, Computer Control Sensors; MAP Sensor
- Replaces: 12623671, 09373269, 12215049, 9373269
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2010 Chevrolet Express 2500 | Base, LS, LT | 8 Cyl 6.6 L DIESEL
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Chevrolet Express 2500 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
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2024 Chevrolet Express 2500 | Base, LS, LT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L GAS
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Chevrolet Express 2500 M.A.P. Sensor Part Number: 25203477
$22.19 MSRP: $41.68
You Save: $19.49 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor, Computer Control Sensors; MAP Sensor
- Replaces: 12612110, 12643955, 25202498
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2016 Chevrolet Express 2500 | Base | 8 Cyl 6.6 L DIESEL
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Chevrolet Express 2500 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
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2010 Chevrolet Express 2500 | Base, LS, LT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.3 L GAS, 8 Cyl 5.7 L BI-FUEL, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
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Chevrolet Express 2500 M.A.P. Sensor Part Number: 12569241
Product Specifications
- Other Name: Sensor, Computer Control Sensors; MAP Sensor; Pressure Sensor; Boost Sensor; Turbo Sensor
- Replaces: 16009886, 16040609, 16254539
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2002 Chevrolet Express 2500 | Base, LS | 8 Cyl 6.5 L DIESEL

Chevrolet Express 2500 MAP Sensor

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Chevrolet Express 2500 MAP Sensor Parts and Q&A

M.A.P. Sensor
19418808
Q: How to service the MAP Sensor on Chevrolet Express 2500?
A:
Service of the manifold absolute pressure (MAP) sensor requires you to turn off the ignition first followed by engine cover removal. Separate the MAP Sensor harness connector while exercising caution to prevent damaging either the MAP Sensor or the Intake Manifold through maneuvering. Pull the MAP Sensor straight up with gentle rocking motions until removal and discard its MAP Sensor grommet afterward. To install the new MAP Sensor grommet position it on top of the sensor before you can install the sensor itself and once both pieces are in position you can reconnect the MAP Sensor harness connector before placing the engine cover back in place.
M.A.P. Sensor
19418812
Q: How to replace the MAP Sensor on Chevrolet Express 2500?
A:
The replacement process for the manifold absolute pressure sensor starts by eliminating the engine cover followed by MAP Sensor connector removal. You should take the MAP Sensor out of the Intake Manifold. When installing the fresh sensor one must apply a thin layer of clean engine oil to the MAP Sensor seal. After installation of the MAP Sensor to the upper Intake Manifold connect its electrical connector and reinstall the engine cover.