Smog Testing in California: What You Need to Know (And Why Older Cars Need a Special Test)
November 28, 2025
If you live in California, you’ve probably heard about smog tests. The state requires them to help reduce pollution and keep our air clean. But many drivers aren’t sure when they need a smog test, what type of test their car needs, or where to go—especially if they drive an older vehicle.

At Jim Brangham Auto Repair, we make the process simple. And the best part? 👉 We can smog test vehicles older than 1999, which many shops cannot do.
Let’s break it down.
Why California Requires Smog Tests
California has some of the strictest air-quality rules in the country. Smog tests help make sure cars aren’t releasing too much pollution. This keeps the air cleaner for everyone and helps your car run better too.
Most vehicles need a smog check every two years, or when they’re sold to a new owner.
What Makes Older Cars Different?
Cars from 1999 and older need a special type of smog test called a BAR-97 test. This test uses older diagnostic equipment and takes a little more time. Not all auto shops are licensed or equipped to perform this test.
That’s why many drivers with older cars struggle to find a place that can help.
But at Jim Brangham Auto Repair, we are fully certified and equipped to test: ✔ Vehicles from 1999 and older ✔ Cars and trucks that require BAR-97 testing ✔ Most makes and models, including classic vehicles
If your car is older and still running strong, we’re here to keep it road-legal and clean.
What to Expect During Your Smog Test
- When you bring your car to us, here’s what we do:
- Check your vehicle’s emissions system
- Test your tailpipe for pollution levels
- Perform visual and functional checks
- Make sure your car meets California smog standards
The test usually takes 20–30 minutes, and we’ll let you know right away if your car passes or if it needs repairs.
How to Help Your Car Pass
Here are a few quick tips. Make sure your “Check Engine” light is off. Keep up with oil changes and maintenance. Drive your car for at least 15 minutes before the test. Fix any known engine issues ahead of time. These small steps can make a big difference.
Need a Smog Test in Cathedral City? We’re Here to Help.
Whether your car is brand new or older than 1999, Jim Brangham Auto Repair is your trusted shop for California smog testing, diagnostics, and repairs. Our team is certified, experienced, and ready to help you pass with confidence.
Call us at 760-321-7040
or click the "book service" button on the screen so we can get your car smog-checked and road-ready.
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