Check engine light on your German car? We use brand-specific diagnostic software — not a generic code reader — to find the actual root cause and fix it right the first time.
A check engine light can mean dozens of things. Here are the most common causes we diagnose and repair on German vehicles.
A free scan at a parts store gives you a code number — not a diagnosis. P0420 doesn't mean "replace the catalytic converter." It means something in the emissions system isn't performing. Finding out what takes brand-specific tools and an experienced technician.
It depends on the fault. A steady check engine light with no other symptoms is usually safe to drive short-term but should be diagnosed soon. A flashing check engine light means an active misfire that can damage the catalytic converter — you should stop driving and have it towed or diagnosed immediately. When in doubt, call us and describe what you're experiencing.
You can — but it won't fix anything. The code will return because the underlying problem is still there. Worse, clearing codes before an emissions test means the readiness monitors need time to reset, which can cause you to fail the test even if the original fault is resolved. Diagnose and fix the root cause first.
Because the fault causing it hasn't been repaired. Clearing a code removes the warning — it doesn't fix the problem. If your check engine light keeps returning, you need a proper diagnosis to find and repair the root cause, not just repeated code clearing.
We charge a diagnostic fee for a full scan and root cause analysis — not just a code pull. The fee is applied toward your repair cost if you fix it with us. Call us for current pricing. A proper diagnosis saves money by ensuring you fix the right thing the first time.
Yes. We diagnose check engine lights on BMW, Mercedes-Benz, Audi, Volkswagen, and Porsche using brand-specific diagnostic software for each. Generic OBD2 scanners miss most of what these vehicles can tell us — we use the right tools for each brand.
Yes. A check engine light that doesn't affect drivability is often an emissions fault — O2 sensor, EVAP system, or catalytic converter efficiency. These won't strand you immediately but will cause an emissions test failure and can lead to more expensive repairs if ignored. Get it diagnosed sooner rather than later.
Serving Snellville, Loganville, Grayson, Lawrenceville, and all of Gwinnett County.