German Auto Repair & Service in Auburn, CA
Mon - Fri: 8:00 AM - 5:00 PM
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Mon - Fri: 8:00 AM - 5:00 PM
Ryan G. Motorworks Now Offers
Smog Services!

Smog Check in Auburn, CA

Passing a smog test doesn’t have to be stressful. At Ryan G. Motorworks, we can diagnose and address any issues that may prevent your vehicle from passing. A smog check requires your car to be at normal operating temperature and includes an OBD-2 system check and exhaust emissions analysis.

Keeping the air cleaner is a top priority, especially in California, where emissions regulations are strict. If your vehicle requires a Smog Certification, Ryan GMW can help! Most cars six years and older must undergo a smog test every two years as part of their registration renewal.

To ensure a smooth and hassle-free experience, we’ve developed a pre-smog checklist to help you prepare for the test and get the best possible results. Contact us today to schedule your smog check!


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1. Do you have any warning lights on?

An illuminated check engine light, malfunctioning indicator lamp, or service engine soon means your auto requires servicing. Often these lights indicate a problem within the emission system. Your vehicle won't pass the Smog assessment of your car has any of these lights present.

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2. Ensure Fluids Are Properly Filled

Before arriving at your scheduled appointment, be sure that all fluids are filled including oil, coolant, and transmission fluid. It’s an excellent idea to have an oil change performed before your appointment if you haven’t had one done in the last 3,000 miles. If you are in need of an oil change, we would be more than happy to provide this service.

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3. Arrive With Enough Fuel

Part of the inspection will require your vehicle to run for a certain amount of time. Without proper fuel levels, an inaccurate reading is possible. *Important Tip* If you put gas in your vehicle before the appointment, make sure your gas cap is secure. A gas gap that isn’t tightened can throw a code which can invalidate the readings.

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4. Overheating Problems?

If your vehicle isn’t capable of running at proper operating temperatures, it will be best to postpone the inspection. Ryan GMW can help if you are experiencing a cooling system problem to make sure your car is operating at it’s best.

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5. Is Your Vehicle Grounded Sufficiently?

Any short in your car's system can give a negative reading. Before you arrive, it is best to address any electrical issues that may be going on with your vehicle. If you are in doubt if your car has sufficient grounds, we can help!

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6. Battery and Alternator

These two components are responsible for running your vehicle. If your battery isn’t capable of holding a charge, or you have a weak alternator, it is best to replace before completing the Smog Certification. We can replace a battery or alternator if your vehicle is experiencing power issues.

What our customers are saying on Google
Patrick Bergen

I've had nothing but great experiences with this shop — it really is the absolute best place to go for your BMW. Ryan and his team work with a precision and skill that is extremely hard to find. Adding to all that, their honesty and attitude with customers is truly exceptional.

Robert Donahue Jr

Best shop in the area to have work done on your BMW. Honest and trustworthy — they provide detailed reasons for the repairs needed and do not pressure you, because at the end of the day it's your vehicle. I wish all automotive shops had this approach. Highly recommend.

Frequently Asked Questions

What years and models do you smog-check at Ryan G. Motorworks?
We perform smog checks on vehicles from model year 2000 and newer, including all German makes — BMW, Mercedes-Benz, Audi, Porsche, and MINI. Ryan G. Motorworks in Auburn, CA is a licensed STAR smog station equipped to handle your inspection.
How much does a smog check cost in Auburn, CA?
Our smog check pricing is competitive with other stations in the Auburn area. Contact Ryan G. Motorworks at (530) 305-2499 for current pricing. We also offer smog-related repairs if your vehicle does not pass on the first attempt.
What should I do if my German car fails its smog test?
If your vehicle fails, Ryan G. Motorworks can diagnose the issue and perform the necessary repairs to bring it into compliance. Common causes of failure include faulty oxygen sensors, catalytic converter problems, and evaporative system leaks. We'll get your vehicle passing and back on the road.
How often do California vehicles need a smog inspection?
California requires smog inspections every two years for most vehicles, as well as when registering an out-of-state vehicle or during a change of ownership. Ryan G. Motorworks in Auburn, CA makes the process quick and easy for German car owners.
Can you diagnose and fix smog-related issues before I take the test?
Yes, we offer pre-smog inspections to identify potential issues before your official test. This can save you time and the cost of a failed inspection. Bring your vehicle to Ryan G. Motorworks in Auburn, CA and we'll make sure it's ready to pass.

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