I would like to start by saying i am just getting familiar with neptune and i plan on taking my car to a tuner after i break in the engine. ok now that, that is out of the way i am trying to get my omni 3 bar map sensor working correctly. the car will start and run with a base tune i put together but with the engine off and key on neptune shows -.7 psi or - 963 mbar. even with the sensor pulled off of the tb it doesnt change. i already checked the wiring and the signal wire to the ecu shows a perfect connection with my multi meter but i am only getting 4.97 volts at the sensor? i tried all the stock map sensor setting and some different values i found online and i cant seem to dial it in. im not sure if i am missing something or the sensor is bad. if anyone can help it would be much appreciated.
Either that's your atmospheric pressure reading or your sensor isn't reading correctly. Have you compared to the atmospheric pressure reading also available in the data list?
Here's a screenshot of it. I'm not sure which in the data window is atmospheric. According to google my towns altitude is 909ft, if thats what your getting at. http://imgur.com/a/1oNeQ
ok assuming google only shows the average altitude in my city, and i live on the higher end of that average, than my sensor is reading correctly. if not how should i handle this, buy a new one or adjust the values?
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