How to replace the MAP Sensor (LY7) on Buick LaCrosse?

Follow these replacement steps to remove and install the Barometric Pressure Sensor (LY7): start by turning off ignition power then disconnecting both the sensor electric plug and bolt holding the piece before extracting it. To mount the new barometric pressure sensor locate your placement first following the recommended safety protocol in Service Precautions then fasten it using a bolt at 10 N.m torque setting before reattaching the electrical connector.

OEM Buick LaCrosse MAP Sensor

Manifold Air Pressure Sensor

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6 MAP Sensors found

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Buick LaCrosse M.A.P. Sensor Part Number: 12575467
$37.20 MSRP: $89.68
You Save: $52.48 (59%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor, Computer Control Sensors; Manifold Absolute Pressure Sensor; Pressure Sensor; MAP Sensor
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2008 Buick LaCrosse | CXS | 6 Cyl 3.6 L GAS
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Buick LaCrosse M.A.P. Sensor Part Number: 55573248
$27.69 MSRP: $45.61
You Save: $17.92 (40%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sensor, Computer Control; Air Pressure Sensor; Height Adaptation; Manifold Absolute Pressure Sensor; MAP Sensor; Ignition Module; Sensor; Sensor, Turbocharger/Supercharger
- Replaces: 12591290, 93192107
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2019, 2008-2016 Buick LaCrosse | Base, Convenience, CX, CXL, CXS, Essence, Leather, Preferred, Premium, Sport Touring, Super, Touring | 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV), 4 Cyl 2.5 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS, 8 Cyl 5.3 L GAS
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Buick LaCrosse 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:
- 2010 Buick LaCrosse | CX, CXL | 6 Cyl 3.0 L GAS
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Buick LaCrosse Map Sensor Part Number: 12615223
$62.54 MSRP: $103.02
You Save: $40.48 (40%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor, Computer Control Sensors
- Replaces: 12571052
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2009 Buick LaCrosse | CX, CXL | 6 Cyl 3.8 L GAS
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Buick LaCrosse M.A.P. Sensor Part Number: 19418808
$73.36 MSRP: $125.98
You Save: $52.62 (42%)
Ships in 1 Business Day
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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:
- 2005-2009 Buick LaCrosse | CX, CXL | 6 Cyl 3.8 L GAS
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Buick LaCrosse M.A.P. Sensor Part Number: 12650600
$26.57 MSRP: $43.77
You Save: $17.20 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor, Computer Control Sensors; Manifold Absolute Pressure Sensor; MAP Sensor
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2019 Buick LaCrosse | Avenir, Base, Essence, Preferred, Premium, Sport Touring | 6 Cyl 3.6 L GAS

Buick LaCrosse MAP Sensor

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The Buick LaCrosse MAP Sensor is an important part that boosts the efficiency of the Buick LaCrosse line of vehicles. This is another MAP Sensor that presently gauges the PSI air pressure that is drawn into the intake manifold to allow the ECU to effectively calibrate the fuel mixture. In fuel injected engines the Buick LaCrosse MAP Sensor is involved in regulating the air fuel ratios to a large extent and hence assists in enhancing the efficiency and performance of the engine. Fact that the AutoTuner is compatible with both naturally-aspirated and forced-induction motors of Buick LaCrosse guarantees that the drivers get to enjoy the improvements in the fuel metering and the diagnostics of the engine. The MAP Sensor also help in checking the efficiency of the EGR valve which in return enhances the efficiency of the vehicle. However, the Buick LaCrosse has been refined since it was first launched in 2004, to include such features as the eAssist hybrid system that cuts on draining power while improving efficiency even more. Therefore, Buick LaCrosse MAP Sensor's functionality is as dependable as can be seen by its place in the on-board diagnostics system to ensure that any problems are quickly remedied. This Buick LaCrosse MAP Sensor thus excels in the market through the incorporation of technological features and safety measures that are must-haves for any car user, and in particular, Buick LaCrosse.

Buick LaCrosse MAP Sensor Parts Questions & Experts Answers

M.A.P. Sensor
12575467
Q: How to replace the MAP Sensor (LY7) on Buick LaCrosse?
A:
Follow these replacement steps to remove and install the Barometric Pressure Sensor (LY7): start by turning off ignition power then disconnecting both the sensor electric plug and bolt holding the piece before extracting it. To mount the new barometric pressure sensor locate your placement first following the recommended safety protocol in Service Precautions then fasten it using a bolt at 10 N.m torque setting before reattaching the electrical connector.