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P1440 INFINITI - Evaporative Emission Control System Small Leak

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3 What does this mean?

Possible causes

  • Fuel filler cap remains open or fails to close
  • Foreign matter caught in fuel filler cap
  • Incorrect fuel tank vacuum relief valve
  • Incorrect fuel filler cap used
  • Leak is in line between intake manifold and EVAP canister purge volume control solenoid valve
  • Foreign matter caught in EVAP canister vent control valve
  • EVAP canister or fuel tank leaks
  • EVAP purge line (pipe and rubber tube) leaks
  • EVAP purge line rubber tube bent
  • Blocked or bent rubber tube to EVAP control system pressure sensor
  • Loose or disconnected rubber tube
  • EVAP canister vent control valve and the circuit
  • O-ring of EVAP canister vent control valve is missing or damaged
  • EVAP canister is saturated with water
  • EVAP control system pressure sensor
  • Absolute pressure sensor
What does this mean?
OBDII Code P1440 Infiniti - Evaporative Emission Control System Small Leak - kvjournal.ru

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