DTC P0CF4 Chevrolet

EVAP Purge Flow Monitor Fault

EVAP Purge Flow Monitor Fault

Description

Engine at idle speed in closed loop for 200 seconds, BARO Sensor signal less than 8,000 feet, ECT Sensor more than 160ºF, no Low Fuel, MAP Sensor signal less than 23.7 Hg, and the PCM did not detect any purge flow through the EVAP system during this test.

Cause and Solution

EVAP purge solenoid vacuum line loose, leaking or restrictedEVAP purge solenoid stuck leaking, stuck open or stuck closedEVAP purge vacuum line to canister leaking or disconnectedEVAP canister leaking, damaged or has failed

Video Guide

Duration: PT4M20S | Uploaded: 2020-07-23

Diagnostic Info

  • DTC Code: P0CF4
  • Brand: Chevrolet
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