How to service the MAP Sensor on Chevrolet Impala?

In order to service the Manifold Absolute Pressure (MAP) Sensor, you are to do the following - disconnect the MAP sensor from the bracket as well as remove the MAP inlet vacuum hose and MAP sensor electrical connector. Then connect the MAP sensor electrical connector, then the inlet vacuum hose, then the MAP sensor should be held by the bracket and screw it down to around 3 N.m or 27 lb in.

How to replace the MAP Sensor on Chevrolet Impala?

To replace the Manifold Absolute Pressure (MAP) Sensor, the first thing you should do is turn OFF the ignition. Depress the MAP sensor from the bracket by removing the screws that hold the MAP sensor to the bracket, disconnect the MAP sensor electrical connector and the MAP inlet vacuum hose, and then use it to remove the MAP sensor from the bracket. For the installation, install the MAP sensor to bracket, MAP inlet vacuum hose to the MAP sensor, MAP sensor to electronic connector. Turn the screws into place, then tighten to 3 N.m (27 lb in), making sure to follow the Fastener Notice as laid out in Service Precautions.

OEM Chevrolet Impala MAP Sensor

Manifold Air Pressure Sensor

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8 MAP Sensors found

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Chevrolet Impala M.A.P. Sensor Part Number: 55573248
$27.69 MSRP: $45.61
You Save: $17.92 (40%)
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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:
- 2007-2020 Chevrolet Impala | 50th Anniversary Edition, Eco, LS, LT, LTZ, Police, Premier, SS | 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV), 4 Cyl 2.5 L FLEX, 4 Cyl 2.5 L GAS, 6 Cyl 3.5 L FLEX, 6 Cyl 3.5 L GAS, 6 Cyl 3.6 L BI-FUEL, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS, 6 Cyl 3.9 L FLEX, 8 Cyl 5.3 L GAS
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Chevrolet Impala M.A.P. Sensor, Green, Passenger Side Part Number: 12569240
$66.22 MSRP: $112.74
You Save: $46.52 (42%)
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Product Specifications
- Other Name: Sensor, Computer Control Sensors; Manifold Absolute Pressure Sensor; MAP Sensor; Pressure Sensor; Manifold Pressure Sensor; Emission Control Sensors (Vehicle Speed, Oxygen)
- Position: Passenger Side
- Replaces: 16254719, 16137039
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2000-2004, 1994-1996, 1985 Chevrolet Impala | Base, SS | 6 Cyl 3.4 L GAS, 8 Cyl 5.7 L DIESEL, 8 Cyl 5.7 L GAS
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Chevrolet Impala Barometric Sensor Part Number: 16006833
$84.40 MSRP: $139.04
You Save: $54.64 (40%)
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Product Specifications
- Other Name: Sensor
- Replaced by: 12219931
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1985 Chevrolet Impala | Base | 6 Cyl 3.8 L GAS, 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L DIESEL, 8 Cyl 5.7 L GAS
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Chevrolet Impala M.A.P. Sensor Part Number: 19418810
$70.30 MSRP: $142.80
You Save: $72.50 (51%)
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Product Specifications
- Other Name: Sensor, Computer Control Sensors; MAP Sensor; Pressure Sensor; Boost Solenoid; Barometric Sensor; Sensor, Turbocharger/Supercharger
- Replaces: 09350899, 12580698, 12615136, 9350899
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005 Chevrolet Impala | Base, LS, SS | 6 Cyl 3.8 L GAS
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Chevrolet Impala M.A.P. Sensor Part Number: 19418808
$73.36 MSRP: $125.98
You Save: $52.62 (42%)
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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:
- 2000-2005 Chevrolet Impala | Base, LS, LS Sport, Police, SS | 6 Cyl 3.8 L GAS
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Chevrolet Impala M.A.P. Sensor Part Number: 19418807
$76.01 MSRP: $129.40
You Save: $53.39 (42%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sensor, Computer Control Sensors; Manifold Absolute Pressure Sensor; MAP Sensor
- Replaces: 12614970, 16212460
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2008 Chevrolet Impala | 50th Anniversary Edition, LS, LT, LTZ, Police, SS | 6 Cyl 3.5 L FLEX, 6 Cyl 3.5 L GAS, 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS, 8 Cyl 5.3 L GAS
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Chevrolet Impala M.A.P. Sensor Part Number: 12615135
$80.43 MSRP: $138.12
You Save: $57.69 (42%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor, Computer Control Sensors; MAP Sensor; Pressure Sensor; Sensor, Turbocharger/Supercharger
- Replaces: 12581167
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2005 Chevrolet Impala | Base | 6 Cyl 3.4 L GAS
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Chevrolet Impala 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:
- 2004 Chevrolet Impala | Base, LS, SS | 6 Cyl 3.8 L GAS

Chevrolet Impala MAP Sensor

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Absolutely speaking, MAP Sensor in Chevrolet Impala is one of the most important devices which is used to measure the positive air pressure entering into the intake manifold so that the engine control unit or ECU can position the device of fuel injection in right way. The primary function of the MAP Sensor mainly applies to the fuel injected engines and especially in the speed-density method by acting a key component in the determination of the air-fuel mixture in the combustion chamber. While naturally aspirated engines you will either find a MAP or MAF sensor, forced induction engines always incorporate both. MAP Sensor also plays a role in on board diagnostics as well as exhaust gas recirculation valve, this component is vital in giving measurements that will enable the right fuel flow to be metered and the engine performance tuned accordingly.

Chevrolet Impala MAP Sensor Parts and Q&A

M.A.P. Sensor
19418808
Q: How to service the MAP Sensor on Chevrolet Impala?
A:
In order to service the Manifold Absolute Pressure (MAP) Sensor, you are to do the following - disconnect the MAP sensor from the bracket as well as remove the MAP inlet vacuum hose and MAP sensor electrical connector. Then connect the MAP sensor electrical connector, then the inlet vacuum hose, then the MAP sensor should be held by the bracket and screw it down to around 3 N.m or 27 lb in.
M.A.P. Sensor, Green, Passenger Side
12569240
Q: How to replace the MAP Sensor on Chevrolet Impala?
A:
To replace the Manifold Absolute Pressure (MAP) Sensor, the first thing you should do is turn OFF the ignition. Depress the MAP sensor from the bracket by removing the screws that hold the MAP sensor to the bracket, disconnect the MAP sensor electrical connector and the MAP inlet vacuum hose, and then use it to remove the MAP sensor from the bracket. For the installation, install the MAP sensor to bracket, MAP inlet vacuum hose to the MAP sensor, MAP sensor to electronic connector. Turn the screws into place, then tighten to 3 N.m (27 lb in), making sure to follow the Fastener Notice as laid out in Service Precautions.