Storage Wars" star Mark Balelo has killed hmself with carbon monoxide poisoning.
He was found dead in his car ... which was parked and running in the garage at his auction house in Simi Valley, CA.
Balelo had been arrested for a drug-related offense on Saturday.
We're told when Balelo got out of jail he was distraught, and asked his fiancée to come over because he was afraid he might hurt himself.
