DTC P0440 Cadillac

EVAP System Malfunction

EVAP System Malfunction

Description

DTC P0100, P0115, P0116, P0130-P0161, P0300-P0306, P0443, P0446, P0450, P0500, P0506, P0507, P0560, P1120 and P1220 not set, engine started, ECT sensor from 17-167ºF and IAT sensor from 17ºF-122ºF at startup, engine runtime over 17 minutes, engine at idle

Cause and Solution

Charcoal canister is loaded with fuel or moisture
Fuel filler cap is loose, cross-threaded, damaged or wrong part
Fuel tank, fuel filler neck or fuel sending unit O ring is leaking
Fuel tank pressure sensor is damaged, disconnected or it failed

Video Guide

Duration: PT4M34S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: P0440
  • Brand: Cadillac
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