Smog check Chico CA drivers can actually rely on — Tedious Auto Repair at 2695 CA-32 is a licensed Test-Only smog check station inside Chico’s highest-rated shop. $65.00, about 30–45 minutes, and your results transmit straight to the DMV electronically — renew online the same day in most cases. Open 7 days.
A smog check in Chico, CA costs $65.00 at Tedious Auto Repair, 2695 CA-32 — a licensed Test-Only smog check station. Most checks take 30–45 minutes and results transmit electronically to the DMV. We are not a STAR station — check your DMV renewal notice. Open 7 days. Call (530) 826-4275.
One honest price for the test. And because we're a full repair shop, you're covered for whatever the test finds.
Price as of publish date. A state electronic certificate fee may apply per California requirements. As a Test-Only station, the smog test stands alone — no add-ons, no pre-checks, no repair pitch.
A Test-Only station is licensed to inspect — not to sell you a repair off your test. Straight answers, fast turnaround.
As a Test-Only station, we have nothing to gain from failing you. You get an honest pass/fail and the complete inspection report — exactly what failed and why — with no repair pitch attached to the test.
The price is the price: $65.00 for the full California inspection. No "starting at," no add-ons at the counter, no surprise fees beyond any state certificate fee California requires.
Pass, and your certification transmits to the DMV electronically — in most cases you can renew your registration online the same day. No paperwork to mail, no waiting on the post office.
Founded in 2007 by Buddy Rausch, ASE Master Technician. NAPA Gold AutoCare Center — the highest tier. Repairs backed by a 3-year/36,000-mile nationwide warranty.
Mon–Fri 7AM–6PM, Sat 8AM–5PM, Sun 9AM–5PM. Registration deadline on a weekend? We're here. Most smog checks done in 30–45 minutes in the bay.
Every repair or service visit — oil change, brakes, AC — includes our free 100-point digital inspection with photos and video to your phone. Smog test visits stay independent: just the test, nothing bundled.
The California smog inspection has three parts. Here's what we check on your vehicle at our Chico shop.
We connect to your vehicle's onboard diagnostic port and verify the check engine light is off, no emissions trouble codes are stored, and the readiness monitors are complete. For most 2000-and-newer gasoline vehicles, this is the heart of the modern smog check.
We confirm required emissions components are present and unmodified — catalytic converter, EVAP system, fuel cap, air injection where equipped. Missing or tampered components are an automatic failure under California law, regardless of how clean the tailpipe is.
Depending on vehicle year and type, functional checks can include the check engine light bulb test, fuel cap integrity, and tailpipe measurement on older vehicles. We follow the BAR inspection procedure for your specific vehicle — nothing skipped, nothing padded.
A California smog check runs on the state's clock, not ours. Here's where the time actually goes — and why a shop promising a 10-minute smog is cutting a corner somewhere.
Every test starts by verifying your VIN and license plate against DMV records and entering the vehicle into BAR-OIS — California's official inspection system. A typo here invalidates the whole test, so it gets done carefully, once.
The state system connects through our certified equipment to your vehicle's OBD port and pulls the check engine light status, stored emissions codes, and readiness monitors. The state's software sets the pace — it cannot be skipped or sped up.
A trained inspector physically confirms required emissions components are present, connected, and unmodified — catalytic converter, EVAP system, fuel cap, air injection where equipped. This is a legal requirement, not a glance under the hood.
Depending on your vehicle's year and type: check engine light bulb check, fuel cap integrity test, and tailpipe measurement on older vehicles. The BAR procedure for your specific vehicle dictates exactly which checks run.
Pass results upload electronically to the DMV through BAR-OIS, and we review the printout with you before you leave. In most cases you can renew your registration online the same day — no paperwork to mail.
Add it up and a properly performed California smog check lands at 30–45 minutes in the bay. Book online or call (530) 826-4275 ahead and that's your total visit — no surprise waits.
As a full repair shop, we can repair every one of these — as long as it’s handled before your test. Once a vehicle fails its smog check at our station, current Test-Only rules bar us from diagnosing or repairing that failure (repair licensing is in progress). Come in with a known issue first, and you only pay for one test.
An illuminated CEL is an automatic California smog failure before any other testing happens. Could be a loose gas cap, could be a failed catalyst. We diagnose the actual cause — not just clear the code, which only resets your readiness monitors and delays your test. See our check engine light page.
The most common failure on vehicles past 100,000 miles. Sometimes it's the converter; sometimes it's an O2 sensor or an upstream problem that poisoned the cat. We test before we replace, and we install CARB-EO certified converters only — federal-only cats are illegal in California. Details on our catalytic converter page.
Chico heat is brutal on EVAP rubber. Gas cap, purge solenoid, vent valve, cracked hoses, charcoal canister — our EVAP smoke test ($199.99 flat) pinpoints the leak so you pay to fix the actual problem once.
Recently disconnected battery, recently cleared codes, or not enough drive cycles — monitors read "not ready" and the vehicle can't complete testing. We check status free and give you the exact drive cycle your vehicle needs to set them.
Vacuum leaks, MAF sensor contamination, weak fuel delivery. Lean codes hurt fuel economy and emissions and must be repaired to pass. We trace them with proper testing instead of throwing parts at the symptom.
Misfires (P0300 series) spike emissions and cook catalytic converters. Tampered or missing emissions equipment fails the visual portion outright. We repair the misfire first, then verify the catalyst — in the right order, so you don't pay twice.
California's rules in plain English — your DMV renewal notice is the final word on what your specific vehicle needs.
Eighteen-plus years working on Butte County vehicles means we know exactly why local cars fail.
Weeks above 100°F bake EVAP hoses, seals, and gas cap gaskets. We see the P0440 family spike every summer in Chico. If your light came on during a heat wave, the EVAP system is the first suspect — and the smoke test finds it fast.
Chico runs older than coastal California — lots of 10-plus-year trucks, Subarus, Hondas, and Toyotas. High-mileage vehicles fail on catalysts and O2 sensors most. We stock common parts through NAPA's Chico distribution, so most smog-failure repairs finish same day.
Mountain-road driving from Paradise, Magalia, and Forest Ranch works engines and exhaust systems harder. We adjust our inspection focus for foothill vehicles, and we're an easy stop on CA-32 on your way into Chico.
Most customers come in with a renewal deadline already looming. We're open 7 days, most tests take 30–45 minutes in the bay, and pass results hit the DMV electronically — so a same-day online renewal is usually realistic.
$65.00 at Tedious Auto Repair — the full California inspection with results sent electronically to the DMV. A state electronic certificate fee may apply per California requirements.
Plan on 30–45 minutes — VIN verification, the state BAR-OIS connection, OBD check, visual inspection, functional checks, and electronic transmission to the DMV. Booking ahead gets you in fastest.
You leave with the official report showing exactly what failed. Current Test-Only rules bar us from diagnosing or repairing a vehicle that fails here — any qualified shop can use the report to fix it, then re-test. Repair licensing is in progress.
Yes — automatic failure, no matter the cause. Get it diagnosed and repaired before you test. We do that repair work, as long as it's handled before the vehicle fails a test here.
No — we're a Test-Only station, not STAR certified. STAR-directed vehicles must test at a STAR location. Call (530) 826-4275 and we'll point you the right way.
Probably not yet. A battery disconnect resets readiness monitors, and incomplete monitors block testing. Give it about a week of normal mixed city and highway driving before you test.
In most cases, yes — California requires a valid smog certification on most ownership transfers. Same $65.00 test. Pair it with a pre-purchase inspection if you're the buyer.
Your vehicle and your DMV renewal notice if you have it. That's it — results transmit electronically, so there's usually nothing to mail.
Buddy Rausch founded Tedious Auto Repair in Chico in 2007 and holds ASE Master Technician certification. With 18+ years serving Chico and Butte County, Buddy built the shop into a NAPA Gold AutoCare Center with a 4.9-star rating across 714 Google reviews. Every page on this site is written and reviewed by Buddy — the same person who stands behind the work.
$65.00 · About 30–45 minutes · Open 7 days · Licensed Test-Only station at 2695 CA-32.