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P0451 Diagnostic Trouble Code Discussion for August 2010

Fuel Tank Pressure Sensor Performance


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Trouble Ticket Help Requests for DTC P0451
Help Request Posted
2006 Ford Mustang 4.0L Excessive Emissions, Poor Idle Quality, Hesitation, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1ZVHT80NX6
P0451: Evap system pressure sensor performace. Hello everyone, Could use some help with this one. Car came in running extemely rough. Black smoke from tailpipe.Fuel pressure seems within spec 75 psi. Replace spark plugs, they were black, obviously running rich. I swapped out fuel pump driver module and fue...
August 05, 2010
2001 Mitsubishi Eclipse GS 2.4L MIL Lamp on VIN: 4A3AC34G21
P0451: Evap press sensor malfunction. Thanks in advance for help evryone.a used car lot dropped this one off- has tank pressure error code+purge flow error code.checked the purge+vent solenoids manually. They work ok,smoked system+found no leaks.pulled tank down+visually looked at lines+connection...
August 17, 2010
2001 Mitsubishi Eclipse GS 2.4L MIL Lamp on VIN: 4A3AC34G21
P0451: Evap press sensor malfunction. Thanks in advance for help evryone.a used car lot dropped this one off- has tank pressure error code+purge flow error code.checked the purge+vent solenoids manually. They work ok,smoked system+found no leaks.pulled tank down+visually looked at lines+connection...
August 20, 2010
2006 Ford Mustang 4.0L Excessive Emissions, Poor Idle Quality, Hesitation, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1ZVHT80NX6
P0451: Evap system pressure sensor performace. Hello everyone, Could use some help with this one. Car came in running extemely rough. Black smoke from tailpipe.Fuel pressure seems within spec 75 psi. Replace spark plugs, they were black, obviously running rich. I swapped out fuel pump driver module and fue...
August 05, 2010
2001 Mitsubishi Eclipse GS 2.4L MIL Lamp on VIN: 4A3AC34G21
P0451: Evap press sensor malfunction. Thanks in advance for help evryone.a used car lot dropped this one off- has tank pressure error code+purge flow error code.checked the purge+vent solenoids manually. They work ok,smoked system+found no leaks.pulled tank down+visually looked at lines+connection...
August 17, 2010
2001 Mitsubishi Eclipse GS 2.4L MIL Lamp on VIN: 4A3AC34G21
P0451: Evap press sensor malfunction. Thanks in advance for help evryone.a used car lot dropped this one off- has tank pressure error code+purge flow error code.checked the purge+vent solenoids manually. They work ok,smoked system+found no leaks.pulled tank down+visually looked at lines+connection...
August 20, 2010