Oil pressure sensor for wideband, any way to read voltage vs. psi?
07-14-2011, 09:36 AM
#1
Oil pressure sensor for wideband, any way to read voltage vs. psi? Trying to use the oil pressure input on the 2003 Express Van PCM to log a LC-1 wideband. It works, but the problem I am having is that the PCM reads psi not voltage for the oil pressure so I am having to guesstimate what to divide the reading by to get voltage.
Anyone either know how to change this to voltage or know what the output of the factory oil pressure sender is per volt? After playing with it for a while it seems like it is about 25psi per volt but I don't think that is exact.
Anyone either know how to change this to voltage or know what the output of the factory oil pressure sender is per volt? After playing with it for a while it seems like it is about 25psi per volt but I don't think that is exact.
07-15-2011, 11:25 AM
#4
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Do you have a voltmeter? Couldn't you just read the PSI PID in HPTuners and then read the line voltage with a meter and compare the two? Sorry if I don't fully understand the situation, you've got a real Frankenstein setup there, good luck 
