MAP sensors

[Mike Blakey]

I have made my own MAP sensor from a differential bridge sensor (-1 to 0 bar). It 
works fine but I'm unsure of the expected range on a manifold, so far I've only 
managed to get down to -780 mbar. If this is about typical I can alter the gain and 
span to get better resolution over the expected range.  My sensor also is 
differential to atmospheric pressure, where as the OEM sensors do not seem to be, 
is the correct?



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