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2 Bar VS 3 Bar Map Sensors

Customers sometimes ask, how do I tell the difference between a 2 bar and a 3 bar map sensor? The image below shows the difference between the two boost sensors. As you can see, it can be hard to distinguish between the two. even with the 2 sensors side by side. Notice that they both have the same part number on the first line, but the 3 bar sensor on the left has two additional lines of numbers. Whereas the 2 bar sensor on the right has only one additional line.

So, if the sensor has three lines of numbers, it should be a 3 Bar sensor. Conversely, if the sensor has two lines its a 2 bar sensor.

2 Bar vs 3 Bar Map Sensors