P0456 Small EVAP Leak - What To Check When You Can't "See" The Leak

Come along with Eric O. at the SMA shop as we have a look at this 2011 Ford Escape with a "P0456 EVAP Small Leak." In this video we do a quick diagnosis on the EVAP system and how to find this "small leak" when the smoke machine would not be much of a help because there is no visible leak that we would see. -Enjoy!

Wells Vehicle Electronics (Mike Becker) EVAP SYSTEM PLAYLIST:    • Learn ALL About EVAP Systems  


P0456 - EVAPORATIVE EMISSION SYSTEM LEAK DETECTED (VERY SMALL LEAK)

Description: The powertrain control module (PCM) monitors the complete evaporative emission (EVAP) control system for the presence of a very small fuel vapor leak. The system failure occurs when a fuel vapor leak from an opening as small as 0.508 mm (0.020 inch) is detected by the EVAP running loss monitor test.



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Due to factors beyond the control of South Main Auto Repair, it cannot guarantee against unauthorized modifications of this information, or improper use of this information. South Main Auto Repair assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. South Main Auto Repair recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video. Due to factors beyond the control of South Main Auto Repair, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user and not South Main Auto Repair.