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DESCRIPTION AND OPERATION
Fuel Tank Pressure Transducer
The fuel tank pressure (FTP) transducer is used to monitor the fuel tank pressure or vacuum during the OBD
II purge monitor test of the Evaporative Emission System. It also performs a fuel system integrity check to
determine if there is an evaporative leak. Variations in pressure will be converted into an analog voltage
input signal to the powertrain control module (PCM) (12A650).
Section 10-01: Fuel Tank, Filters, Lines and
Electric Fuel Pump
1997 Aerostar, Ranger, Equipped with 2.3L, 3.0L, and 4.0L
Gasoline Engines Workshop Manual
Page 1 of 1
1997 Aerostar/Ranger
2011-04-29
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