DTC P1456 Acura

EVAP System Leak Detected (Fuel Tank Area)

EVAP System Leak Detected (Fuel Tank Area)

Description

IAT sensor signal from 32-86ºF at startup, vehicle driven to a speed over 5 mph for 2-3 minutes, ECT sensor signal over 154ºF, then with the EVAP Control and Vent solenoids on, the PCM detected an incorrect fuel tank pressure value due to a leak in the

Cause and Solution

Fuel tank cap damaged, loose or the wrong part number
Fuel tank leaks at the fuel fill pipe or at the fuel tank seals
Fuel vapor control valve is damaged or has failed
Fuel tank vapor recirculation valve or vapor tube is damaged

Video Guide

Duration: PT4M18S | Uploaded: 2020-04-19

Diagnostic Info

  • DTC Code: P1456
  • Brand: Acura
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