1997 Mazda Protege P1195 Boost Sensor

1997 Mazda Protege

Mazda Protege On the 1997 Mazda Protege, the P1195 is pointing to a fault with the EGR Boost Sensor, not the EGR Valve itself. A very common problem here is a vacuum line to the EGR Boost sensor that has a crack, hole or loose/missing connection. I’ve also seen the “nipple” at the bottom the Boost Sensor (that the vacuum line plugs into) break/crack. SO- best place to start here is by inspecting the vacuum lines to the Boost Sensor. Inspect the sensor itself as well. Inspect the electrical connector…

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