The Lightning was throwing the infamous..right/left banks lean.
had it smoke tested, cleaned the maf, checked almost every thing....dam light would go on again..finally I started taking the ends off vacuuum hoses and blowing into them...which led me to a leak behind battery on small hose going to plastic vacuum tank. Looked like a mouse cut into it. sealed and holy**** ..the truck not only quit throwing the code ..it runs amazing!!!

"I always have to work on my truck."..
this is not a vid of the truck

 

Always feels good to squash a gremlin!