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Mechanic inspecting a car’s undercarriage exhaust and catalytic converter area while holding a diagnostic scanner in an auto repair garage.
CaliforniaMonterey ParkSmog CheckSTAR-Certified

What Is a “Gross Polluter” in California

If your vehicle fails a smog check by a wide margin, you may be labeled…
Mechanic explaining a vehicle repair estimate to a customer at an automotive service counter with paperwork and a clipboard visible.
CaliforniaCAPCustomer ServiceMonterey ParkSmog Check

California’s Consumer Assistance Program (CAP) for Smog Repairs

California's Consumer Assistance Program, usually just called CAP, is a state funded program that helps…
California vehicle registration renewal notice and smog inspection report arranged on a sunlit car dashboard.
CaliforniaDMVMonterey ParkSmog CheckSTAR-Certified

How Long Does a Smog Check Certificate Last in California?

Once your car passes its smog check, the clock starts running. Here's exactly how long…
Technician in a blue uniform connecting a diagnostic scanner to a diesel pickup truck at a smog check station in Southern California on a sunny day.
DieselDMVSmog CheckSTAR-Certified

Diesel Vehicle Smog Checks in California

If you drive a diesel truck, SUV, or van in California, the smog check rules…
Person sitting in a parked car in a sunny California parking lot holding a smartphone showing passed vehicle inspection results, with a modern car interior in the background.
CaliforniaMonterey ParkSmog CheckSTAR-Certified

How to Look Up Your California Smog Check History

Whether you are buying a used car, preparing for your next smog test, or just…
A clean, organized desk or table showing the documents needed for a smog check neatly arranged—vehicle registration (pink slip), driver's license, insurance card, and repair receipts—with a pen and clipboard nearby.
CaliforniaDMVMonterey ParkSmog Check

What Do You Need for a Smog Check? Complete Documentation Checklist

The night before your smog check appointment, you're probably wondering: "What exactly do I need…