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Where can I find the fuel pressure regulator on a 2010 Buick LaCrosse?
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★ Top Answer
In the 2010 Buick LaCrosse, instead of a fuel pressure regulator, there is a sensor located under the intake manifold that communicates with the car's ECM to activate the fuel pump. If this sensor malfunctions, it can lead to issues such as difficulty starting, reduced fuel efficiency, weaker acceleration, and more frequent stalling. An illuminated "check engine" light will signal a problem with the sensor. Not only does the sensor play a crucial role in maintaining injection pressures, but it also regulates the fuel to air ratio, affecting overall performance. Failure to replace the sensor will result in continued decline in performance and drivability. Repairing the sensor typically costs between $250 and $300 for parts and labor.
More answers
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The fuel pressure regulator for the 2010 Buick Lacrosse can be found at the back of the fuel rail where it connects to the injectors, ultimately recirculating fuel back into the vehicle.
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