Subaru Smog Check
All Subaru gas vehicles + Crosstrek Hybrid PHEV require California smog. Boxer engine quirks: head gasket issues on 2006-2014 Outback/Forester can cause emissions failures.
Common reasons a Subaru fails California smog
- Head gasket leaks on 2.5L EJ25 engine — affects combustion + emissions
- Catalytic converter codes (P0420) on 2013+ Crosstrek/Forester
- EVAP system codes — common on Legacy 2010-2015
- Outback diesel (Euro spec, rare in US) — N/A in California
How to prepare your Subaru (pass first try)
- Address head gasket leaks before testing (2.5L EJ25 era)
- Replace failed cat converter if P0420 persists
- Drive 30+ miles
- Tighten gas cap
Subaru vehicle categories
- gas (Outback, Forester, Crosstrek, Legacy, Impreza, Ascent, WRX)
- PHEV (Crosstrek Hybrid — required, OBD-II)
- BEV (Solterra — exempt)
Common Subaru smog questions
Where can I get a Subaru smog check?
Any of our 13 BAR-licensed STAR-certified locations in San Diego, Orange, and Riverside counties handle Subaru smog inspections. Walk-ins welcome. 15-25 minute inspections.
What are common reasons a Subaru fails smog?
Head gasket leaks on 2.5L EJ25 engine — affects combustion + emissions is one of the most common. Visit our shop for diagnosis if your check engine light is on.
How can I prepare my Subaru for smog inspection?
(1) Address head gasket leaks before testing (2.5L EJ25 era). (2) Replace failed cat converter if P0420 persists. (3) Drive 30+ miles.
Is my Subaru EV/BEV exempt from California smog?
Yes — any 100%-electric Subaru (no gasoline engine) is exempt under California Health & Safety Code §43002. PHEV versions are still required.
STAR-certified shops near you
All locations handle Subaru smog inspections. Walk-ins welcome.