An emissions inspection that gets you ready to pass Oregon DEQ the first time.
Schedule an Emissions CheckYes — any illuminated check engine light is an automatic DEQ failure in Oregon. Get the fault diagnosed and repaired before your test. Clearing the code without repairing it will cause the light to return, and resetting monitors means you’ll likely get a ‘not ready’ result even if the light is temporarily off.
Possibly. Disconnecting the battery resets all OBD readiness monitors. Most monitors require a specific drive cycle — typically 150–200 miles of varied driving — to complete. If you go to DEQ before all monitors are ready, you’ll receive a ‘not ready’ result, which counts as a failure. Drive the vehicle for a full week before testing.
Not right away. Clearing codes resets the readiness monitors. You need to complete a full drive cycle — typically a week of normal mixed driving — before all monitors will set ready. If you go to DEQ too soon, you’ll get a ‘not ready’ failure. We can check your monitor status before you go.
Oregon DEQ has a Cost Waiver program. If you’ve spent above the applicable repair threshold and the vehicle still won’t pass, you may qualify. We can document your repair attempts to support the waiver application. Contact the DEQ office for current threshold amounts and requirements.
Yes — light-duty diesel vehicles 1997 and newer registered in the Portland Vehicle Inspection Area (including Washington County) are subject to OBD-based DEQ testing. Diesel-specific systems including DPF, EGR, and SCR are tested through the OBD system.
Yes — gas and diesel, trucks and daily drivers. Hillsboro, Beaverton, and Portland metro.
Honest service, transparent pricing, and a 1-Year/12,000-Mile warranty on every job.