Licensed Diesel Emissions Testing Stations

List for October 2021

 ** = Closed Temporarily

Light Duty Stations

Diesel Repair & Performance
6250 E Pine Lane Unit B
Parker, CO. 80138
(303)841-6527
 
Exhaust Readers II
5150 Edison Ave.
Colorado Springs, CO. 80915
(719)574-7063
AWD testing available
 
5th  Gear Automotive, Inc.
7301 W. 118th Pl.
Broomfield, CO. 80020
 (303)466-6552
 
Front Range Fleet and Auto, Inc.
8500 E. Warren Ave.
Denver, CO. 80231
(303)907-0555 or (720)219-6717
 
Greeley Automotive Machine
404 8th Ave.
Greeley, CO. 80631                      
(970)352-4342
 
H&M Transmission and Automotive
500 2nd St.
Castle Rock, CO. 80104
(303)663-5578
 
J&J Truck and Auto
15551 E. 6th Ave. Unit 70
Aurora, CO. 80011
(303)364-4244
AWD testing available
 
Lee Myles Boulder
6270 Arapahoe Rd
Boulder, CO 80303
(720)726-7760
 
Lundstedt Automotive, Inc.
1401 E. Lincoln Ave.
Fort Collins, CO. 80524              
(970)221-9400
 
Performance Wise, Inc.
4395 Xenon St.
Wheatridge, CO. 80033
(720)898-0808
 
True Speed
11450 Huron St #R
Northglenn, CO 80234
(303) 305-3752

Heavy Duty Stations

JECO Inc.
1247 E. 68th Ave.
Denver, CO. 80229
(303)623-7049
 
MHC Kenworth
7007 Sandown Rd.
Denver, CO. 80216
(720)941-0833
 

Light and Heavy Duty Stations

Akisp Diesel Emissions
6232 Beach St. Unit B3
Denver, CO. 80221
(720)434-9343
 
Al’s Front Range Diesel
1115 Bowen Cir.
Longmont, CO. 80501
(303)776-6469
 
Branch Automotive and Diesel Emissions, LLC.
6030 E. County Line Rd.
Highlands Ranch. CO. 80126
(303)771-2224 
AWD testing available
 
DTS. LLC—Evergreen
30515 Bryant Dr
Evergreen CO 80439
(303-550-7250)
 
Central Denver Diesel Emission
1400 W. Alameda Ave.
Denver, CO. 80223
(303)618-6435
 
Chase Automotive Repair and Service
15601 E. 6th Ave. Ste.60
Aurora, CO. 80011
(303)344-4670
 
Dynoman Diesel Emissions
10420 E. 106th Ave.
Brighton, CO. 80601
(303)288-4344
 
Engle Automotive
808 N. Denver Ave.
Loveland, CO. 80537              
(970)635-9760
 
Excel Diesel
7591 Shaffer Pkwy. Unit A
Littleton, CO. 80127
(303)904-1500
 
Excel Diesel and SUV
736 Castleton Rd Unit C
Castle Rock CO 80109
(720) 524-6221
 
Excel Diesel and SUV
49 N. 42nd Ave.
Brighton, CO. 80601
(303)659-0442
 
Excel Diesel and SUV, LLC.
9078 S. Woodman Way Ste. D
Parker, CO. 80134
(303)400-6040
 
Exhaust Readers
4202 N. Nevada Ave.
Colorado Springs, CO. 80907                
(719)260-6629
 
Houska Automotive Services
899 Riverside Ave.
Fort Collins, CO. 80524           
(970)482-0156
AWD testing available

 
L&N Diesel Emission Testing and Repair
1700 W. Mississippi Ave.
Denver, CO. 80223
(303)937-8485
AWD testing available
 
Lake Arbor Automotive and Truck
9146 Marshall Pl.
Westminster,  CO. 80031
(303)429-7700
 
Mountain Air Emissions
19356 Goddard Ranch Ct.
Morrison, CO. 80465
(303)697-6850
AWD testing available
 
Nelsen’s Auto Tech Center
361 1/2 E. Mountain Ave.
Fort Collins, CO. 80524               
(970)484-0834
AWD testing available
 
Proformance Diesel & Auto Repair
1125 S. Garfield Ave.
Loveland, CO. 80537
(970)667-7396
 
Redburn Tire Company
1641 2nd Ave.
Greeley, CO. 80631                    
(970)454-4000
                          
Rocky Mountain Diesel Emissions
9999 Brighton Rd.
Henderson, CO. 80640
(303)288-5500
 
Rocky Mountain Diesel Services, Inc.
150 E. 18th St.
Greeley, CO. 80631                      
(970)356-2672
 
Springs Auto Truck and RV Service Center
6035 Galley Rd.
Colorado Springs, CO. 80915
(719)382-0363
 
Stewart & Stevenson
5840 Dahlia St.
Commerce City, CO. 80022
(303)287-7441

Test My Diesel
11705 Teller St.  Suite F
Broomfield CO 80020
(303)460-7786

 
TransWest Truck Trailer R.V.
20770 E. I-76 Frontage Rd.
Brighton, CO. 80603
(303)289-3161
 
Windways Xpress
4940 Oneida St
Commerce City, CO. 80022
(303) 385-1711

Contact information

Please contact the DMV's Emissions Team at 303-205-5603.

Please contact the Colorado Department of Health and Environment at 303-744-2522.