A common problem with these EVAP vent valves is a broken wire inside of the insulation! The wiring will look completely fine until you pull on the harness. In this video I will show you how to troubleshoot and repair this condition.

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This is a 2011 Ford Fusion with a P0455 (EVAP) System Leak Detected (Gross Leak/No Flow) trouble code. In this video I will show you how to test the EVAP purge solenoid, both mechanically and electrically. All that is needed is a generic scan tool and a test light.

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In this video I will show you standard procedures I use to test the EVAP Purge and Vent Solenoids as well as leak tests that can be applied to any car, not just Nissan. I will be using a smoke machine to aid in my diagnosis (see link below on where to get one).

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