Is your vehicle required to pass the emissions test?
Vehicles registered inside the Portland area testing boundary may need to pass an emissions test.
Your renewal/registration form mailed to you from the DMV may state if your vehicles needs to test.
To determine if your vehicle is registered within a DEQ emissions testing boundary visit our VIP Boundary Lookup tool or contact DEQ’s Vehicle Inspection Program at 503-229-5066.
Vehicle Inspection Program Boundary Lookup
Vehicles required to test
- All 1975 and newer cars, trucks, vans, motor homes and buses powered by
gasoline, alternative fuels (such as propane) or hybrids registered within the Portland testing boundaries.
- All 1975 and newer diesel powered vehicles with a manufacturer's gross
weight rating of 8,500 pounds or less (This includes all passenger cars and most
light-duty trucks) registered within the Portland testing boundaries.
Vehicles temporarily located outside of Oregon
If your vehicle is temporarily out of Oregon at the time your DMV
registration renewal is due, please call toll-free 1-877-476-0583 (Monday -
Friday 8 a.m. - 5 p.m.) or visit our Questions and Comments
Vehicles new to Oregon
Vehicles new to Oregon will need a vehicle identification number inspection as well as an emissions test. The DMV will charge $7 at the time of registration. A VIN
inspection can be performed for most vehicles along with the emissions test with
the exception of the following:
Vehicles that are exempt from testing