1998 Nissan Sentra EVAP CODE P1447

Tiny
K_DOM
  • MEMBER
  • 1998 NISSAN SENTRA
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 140,000 MILES
I have a code P1447. Evap Control Purge Flow Monitoring failure? Here are the freeze frame conditions at the time it happens:

1787 RPM, Load is 27.0%, MAP is 33 KPA, Coolant at 186 Deg, Long Fuel Trim 1 is -1%, Short Fuel Trim 1 is -4.9%, Long and Short fuel Trim 3 are both at -100.6%, Speed is 44 MPH, Fuel system loop is closed.

What is the problem? I assume either a gas cap or a charcoal cannister? Also light came on after hitting a bump in road. Not that this set light off but what is going on here. I assume its the charcoal cannister, but I want to be sure. All vaccum lines are in great condition, and are hooked up ok, nothing loose. Please help me.
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Wednesday, March 11th, 2009 AT 2:07 PM

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Tiny
BLUELIGHTNIN6
  • EXPERT
Suspect a leaking/damaged EVAP canister. If canister is OK, inspect vacuum hoses to purge solenoid valve. Faulty solenoid will throw this code sometimes but most times it is the canister as the solenoid has a different DTC that sets.

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Wednesday, March 11th, 2009 AT 2:15 PM

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