Montezuma Smog Check in College Area, San Diego, is a STAR-certified smog inspection station at 6590 El Cajon Boulevard, Suite B, equipped with two BAR-OIS testing machines that keep wait times under 20 minutes for most inspections. Established in 2023, the station operates under Bureau of Automotive Repair test-and-repair certification and runs inspections on all vehicle types — cars, trucks, SUVs, vans, diesels, motor homes, and commercial fleet units. Vehicles that fail and need emissions-related repairs can get catalytic converter replacement, oxygen sensor installation, or EGR cleaning at College Smog Check nearby, which holds test-and-repair authorization for the same STAR program. STAR certification means the station is authorized to test directed vehicles and gross polluters that the BAR has flagged for enhanced inspection, a designation requiring the shop to meet higher pass-accuracy thresholds than non-STAR stations. El Cajon Boulevard through College Area is a seven-day commercial corridor running from SDSU west toward City Heights, and Montezuma Smog sits near the intersection with Montezuma Road in the 92115 ZIP — a crossroads that draws registration-renewal traffic from surrounding residential blocks. The inspection process covers tailpipe emissions measurement, onboard diagnostic system verification for model-year 2000 and newer vehicles, and a visual check of the catalytic converter, oxygen sensors, EGR valve, and evaporative emissions canister. Beyond smog testing, the station offers hand-wash services and brake repair, expanding its scope beyond a single-service inspection model. Fleet operators running five or more vehicles can schedule batch inspections during a single service window, and the dual-machine setup processes two vehicles simultaneously — a throughput advantage over single-lane competitors on the same boulevard. Residents fueling up at San Diego Gasoline in Allied Gardens often combine the stop with a smog check during registration season, and Montezuma's seven-day operating schedule accommodates weekend appointments that most single-operator stations cannot. The station serves the biennial registration renewal cycle, which requires a smog certificate for vehicles four model years or older, and also handles out-of-state vehicle inspections required for California DMV registration when a vehicle enters the state for the first time.