Diesel Emission Testing

Need Diesel Emission Testing in Aurora, CO? 

JJ Diesel Dogs is a listed Boulder County, CO Diesel Emission Testing Center.  

Our courteous and professional staff at JJ Diesel Dogs will keep you and your vehicle compliant with Colorado state emission specifications to keep you on the road and driving!

Contact us today for an appointment!  
Testing Hours:

Monday-Thursday 8:00am-5:00pm

Friday 8:00am - 4:00pm


JJ Diesel Dogs
15551 E 6th Ave. Unit 70
Aurora, CO 80011