Quote:
Originally Posted by 86fun
Wow, yea, this could explain a lot if bad set of sensors got out there! How can we test for this????
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On my JRSC set up, I switched to an OMNI 2.5 MAP sensor when upgraded to the HBP. It automatically threw a P0451 code for me after 2-3 drives. Not saying this is directly related to the above problems. Shawn Church eventually figured out that either the offset or scaling was off on my sensor for some reason. Now, I don't know if the sensor calibration itself was off or if the initial scaling/offset settings were incorrectly entered into my Ecutek tune. Either way, Shawn made it right.
I believe one way to tell if your MAP sensor offset is wrong is to turn the ignition to the ON position but don't start the car. Compare your barometric sensor with the MAP sensor reading. They should be equal or close it. If you're at sea level, it should ready 1 Bar!