Why was David "Heavy D" Sparks arrested?

Sparks was arrested for "repeatedly and willfully violating" court orders set forth in a lawsuit accusing him and other Diesel Brothers stars of modifying vehicle exhaust systems to produce excessive black smoke, a toxic pollutant. He was previously fined $850,000 in 2020 for over 400 violations of the Clean Air Act.

What is the status of the Diesel Brothers TV show?

The Diesel Brothers TV show aired on the Discovery Channel from 2016 to 2022. Sparks, who was a main cast member, continues to publish similar content on his YouTube channel, which has over 4 million subscribers.

Home / Crime and Justice / Reality TV Star Arrested for Contempt of Court

Reality TV Star Arrested for Contempt of Court

Q: What happened to David "Heavy D" Sparks?

David "Heavy D" Sparks, a star of the Discovery Channel's Diesel Brothers, has been arrested after being found in contempt by a federal judge in Utah for repeatedly violating court orders related to Clean Air Act violations.

9 Oct

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Summary

Discovery Channel's Diesel Brothers star arrested
Accused of repeatedly violating Clean Air Act
Fined $850,000 in 2020 for over 400 violations

Reality TV Star Arrested for Contempt of Court

On October 7, 2025, David "Heavy D" Sparks, a former star of the Discovery Channel reality series Diesel Brothers, was arrested after being found in contempt by a federal judge in Utah. According to court documents, Sparks had "repeatedly and willfully violated" court orders set forth in a lawsuit accusing him and other Diesel Brothers stars of violating the Clean Air Act.

The lawsuit, filed in 2017 by the non-profit group Utah Physicians for a Healthy Environment, alleged that Sparks and his co-stars modified vehicle exhaust systems to produce excessive black smoke, a toxic pollutant. In 2018, a court had ordered an injunction barring the defendants from making any more such modifications, but in 2020, Sparks, along with two other Diesel Brothers stars, were fined $850,000 for violating the Clean Air Act more than 400 times.

Despite these previous findings of contempt, Sparks continued to engage in behavior that led to an additional contempt citation on October 2, 2025, resulting in a warrant for his arrest. He is currently being held in a Salt Lake City jail as he awaits a hearing on the matter.

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