CM 871 won’t regen |
05-05-2019, (Subject: CM 871 won’t regen ) Post: #10 | |||
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RE: CM 871 won’t regen IMAP reads 0 with key on because its 0 "Gauge" pressure and the Baro helps it stay 0'ed as the baro reads "Absolute" pressure. use this example for Absolute and Gauge Pressure in PSI and you have the gauge in your hands. Absolute Pressure - 14.7 PSI Gauge Pressure - 0 PSI Gauge is Absolute minus atmospheric pressure. When i was in Ethanol you could tell these sensors apart on the DCS "The control systems" if a reading showed PSIA it was Absolute and PSIG was Gauge. | |||
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