DTC P0440 Mitshubishi

EVAP Control System Malfunction

EVAP Control System Malfunction

Description

Cold engine startup, engine running in closed loop for 3 minutes at idle speed, ECT sensor more than 176 F, then after the EVAP solenoid was commanded on for 3 seconds, the PCM detected less than a 3% variation in the Short Term fuel trim during the tes

Cause and Solution

Charcoal canister is loaded with fuel or moistureECT, IAT, MAF, VSS or TP sensor signal is out-of-calibrationFuel filler cap loose, cross-threaded, incorrect part or damagedFuel tank pressure sensor is damaged or has failedFuel tank

Video Guide

Duration: PT4M20S | Uploaded: 2020-06-23

Diagnostic Info

  • DTC Code: P0440
  • Brand: Mitshubishi
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