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Home >> Nissan-Datsun >> 2004 >> Altima S, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1159 (Engine Control System - DTCS P0171 To P0453) >> DTC P0448 EVAP Canister Vent Control Valve >> On Board Diagnosis Logic

On Board Diagnosis Logic

WARNING: This page is about a different car, the 2007 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTING CONDITION POSSIBLE CAUSE

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0448
0448
EVAP canister vent control valve close EVAP canister vent control valve remains closed under specified driving conditions.
  • EVAP canister vent control valve
  • EVAP control system pressure sensor and the circuit
  • Blocked rubber tube to EVAP canister vent control valve
  • EVAP canister is saturated with water