DTC B2426 KIA

EVAP Emission Control LDP Circuit Malfunction

EVAP Emission Control LDP Circuit Malfunction

Description

Key on, KOEO Self-Test enabled, and the DME detected an unexpected voltage condition on the EVAP emission control leak detection pump circuit. The reed switch level stays continuously low after activation of solenoids within the time threshold of more than 1 second. The coolant temperature is less than 60 degrees Celsius, and the ambient pressure is greater than 76.2994kPa. The air intake temperature at start is between 9.04 and 16.04 degrees Celsius. The change in barometric pressure since engine start is less than 0.9998kPa. The vehicle speed is less than 74.56mph, and the purge valve has opened enough on previous driving cycle.

Cause and Solution

Leak Detection Pump has failed EVAP canister system has an improper or broken seal Evaporative Emission (EVAP) canister purge regulator valve 1 is faulty Hoses between the fuel pump and the EVAP canister are faulty Fuel filler cap is loose Fuel pump seal is defective, faulty or otherwise leaking Hoses between the EVAP canister and the fuel flap unit are faulty Hoses between the EVAP canister and the evaporative emission canister purge regulator valve are faulty

Video Guide

Duration: PT5M2S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: B2426
  • Brand: KIA
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