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FAQ Details

How to check four(4) wire 0-30 psi fuel pressure sensor if bad?

August 07, 2012 by Craig Peyton

If ‘good’ the voltage should be:

Between Red & Blk        = 5v
Between Blk & White     = 2.5V
Between Blk & Green     = 2.5V
Between White & Green = 16.67mV.(‘milli’ volts) if pressure is around 10 psi.

 **[[ Between  the White & Green you should see around these other milli volt values per different PSI values. 8.33mV at 5psi;  25.0mV at 15 psi;  33.33mV at 20 psi;  41.67mV at 25 psi and 50.0mV at 30psi.]