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P0452 Diagnostic Trouble Code Discussion for June 2015

Fuel Tank Pressure Sensor Circuit Low Voltage


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Trouble Ticket Help Requests for DTC P0452
Help Request Posted
2005 Ford Crown Victoria 4.6L Excessive Emissions, Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 2FAHP71W25
P0452: EVAP pressure low. According to my Modis, the fuel pump is running 100% all the time, creating an extremely rich mixture. My research indicates that the FPDM should command about 40-60% fuel pump run time normally. Fuel pressure is 39 PSI per rail pressure sensor. Lots of carbon...
June 02, 2015
1998 Ford F-150 Lariat 4.6L MIL Lamp on VIN: 1FTZX18WXW
P0452: FTP sensor circuit low. ... gave me code P0453 I replaced the FTP Sensor and clear the code and performed the monitor drive cycle and the MIL came back on this time with code P0452 FTP sensor circuit low. Sensor PID value on scanner shows between .3-2.8 volts. Any suggestions on this...
June 11, 2015
2005 Ford Crown Victoria 4.6L Excessive Emissions, Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 2FAHP71W25
P0452: EVAP pressure low. According to my Modis, the fuel pump is running 100% all the time, creating an extremely rich mixture. My research indicates that the FPDM should command about 40-60% fuel pump run time normally. Fuel pressure is 39 PSI per rail pressure sensor. Lots of carbon...
June 11, 2015
2009 Mercedes-Benz E350 3.5L MIL Lamp on VIN: WDBUF56X19
P0452: Ftps low input. Does anyone have any good testing information on this system, I find it hard to believe that I should be seeing 3 volts at the return wire of the FTPS with no pressure on the tank? Where should it actually be? Customer does not have any issues filling up the...
June 19, 2015