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Omni 4 bar MAP sensor for subaru BRZ not working everytime I shut off the car

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Hello everyone,

I am using an Omni 4 bar MAP for my turboed BRZ, but everytime I shut off the car and restart it, it sensor will not work. The reading stays at 100kpa. Then when I replug it while the car is ON, then it will work normally.

Does anyone know why is that? Or how to fix the problem. I am using Emtron plugnplay ECU for brz.

Thanks

Yuchen

Is there an input voltage fail-safe set in the ecu for MAP sensor, I imagine the 4 bar sensor may be underrange compared to what the ecu would be expecting from a 1/2/3 bar internal sensor at key on, then assumes failed sensor and goes to default limp of 1 bar?

[img="blob:https://www.hpacademy.com/448522c8-e28d-414a-993f-b7d5c8905c6e" alt="" alt="" width="700" height="400" ]

Hi Michael,the setting page of Emtron software is above, do you see anywhere I can amend on it? BTW I've tried a friend's Omni 3 bar sensor, it works fine.

Sorry, I can't upload an image. Maybe I will swap to a 3 bar sensor, thanks.

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