The national average cost for a map sensor replacement in 2023 is $178

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POPULAR VEHICLES

National average cost of a a MAP Sensor Replacement
for popular vehicles:

Kia Sorento
Avg. cost
$178

Car Model

Avg. cost

$50

What is a MAP sensor and how does it work?

The manifold absolute pressure (MAP) sensor is a device that is mounted to the intake manifold of your engine. This device reads the pressure inside the intake manifold and sends the resulting data to the engine control module (ECM). The ECM then uses the data to calculate the proper amount of fuel to inject into the cylinders in order to maintain the optimum air/fuel ratio and keep your engine running smoothly. In addition, other engine functions are controlled or calculated with input from the MAP sensor, such as the amount of exhaust gas that might be produced. This device works in tandem with the mass airflow sensor to adjust engine operation in response to changing conditions.

COMMON SYMPTOMS

How do I know if my vehicle needs the MAP sensor replaced?

For every cubic foot of air that is drawn into the intake manifold of your engine, the combustion process requires that a specific amount of fuel be added at the same time. Data from the MAP sensor is one of the ways in which the ECM accomplishes the task. If the ECM receives bad data, or no data at all, from the MAP sensor, then the air/fuel mixture entering the cylinders will be wrong. If that mixture is incorrect, the following symptoms can occur:

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HOW IS THIS SERVICE PERFORMED?

How is a a MAP Sensor Replacement done?

To replace the MAP (manifold absolute pressure) sensor, a technician will likely perform the following measures:

Remove shields, guards, covers, or ducts on or around the engine to gain access to the manifold absolute pressure sensor
Disconnect the wiring attached to the sensor
Unfasten and remove the faulty sensor and insert the new part
Reconnect the wiring
Reinstall any shields, guards, covers, or ducts that were removed
Using a digital scan tool, verify accurate operation of the new manifold absolute pressure sensor

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