this video is of a common issue GM trucks have with their evap emission systems. you will get a check engine light and sometimes a tighten fuel cap on your display. The main problem is after fueling the vehicle is hard to start up. It is a defective purge valve solenoid which allows fumes from the gas tank to get sucked into intake manifold and burned off. Silverado Sierra Yukon xl Suburban Tahoe 2001 2002 2003 2004 2005. other gm vehicles may have similar systems.
10 сен 2024