Smog Check Guide
Check engine light most common. Failed oxygen sensor next. Catalytic converter degradation. Readiness monitors not set.
Source: California Bureau of Automotive Repair (BAR) smog check program.
Don't stress a failed smog — text us your vehicle and we'll get you in for a quick diagnosis and retest, and check if you qualify for up to $1,450 in state repair help.
Tap what you drive — get your answer in 10 seconds.
Check engine light most common. Failed oxygen sensor next. Catalytic converter degradation. Readiness monitors not set.
Yes automatic fail in California. Must be resolved before retest. Can stem from minor issue gas cap or major sensor. Do not clear the code right before testing.
Yes triggers evap code. Easy fix tighten or replace. Drive 100-150 miles after fix. Monitors need to reset.
Depends on shop policy. Many offer free or discounted retest within 30 days. Free retest only at same shop typically. Ask at time of original inspection.
Unlimited retests allowed. Must pay inspection fee each time. No certificate fee until pass. CAP can help with repair costs.
CAP up to 1450 dollars repair aid for 1996 plus. Vehicle retirement option 1350-2000 dollars. Income-eligible or DMV-directed qualify. Apply through BAR before repairs.
Yes until registration expires. Registration cannot be renewed without pass. Ticketed if registration expired. Temp operating permit available short-term.
Any BAR-licensed repair shop. The inspection report lists what failed. CAP financial aid available if eligible. Retest can be at any STAR station.
BAR-administered dispute resolution. Handles illegible label cases. Classic car inspection rulings. Free service at designated stations.