OFFICIAL SITE OF THE STATE OF NEW JERSEYTampering Compliance Advisory
Tampering of Emission Control Systems on Diesel and Gasoline Vehicles is Prohibited
Who is affected by this advisory?
Vehicle owners, operators, automotive technicians and repair facilities, fleet managers, and car and truck dealers.
Why is DEP issuing this advisory?
It is illegal under state and federal law to tamper with the emissions system of any vehicle. All vehicles, diesel or gasoline powered, light, medium, or heavy-duty, are subject to the regulation.