Salt Lake County ties your emissions test to your registration. Here is what the test checks, why a check engine light fails it, and what to do if your vehicle does not pass.

How to Spot Trouble & What to Do About It If your car’s been feeling sluggish, smelling like rotten eggs, or lighting up your dashboard like a Christmas tree, you might be dealing with a catalytic converter that’s calling it quits. And if you’re in Sandy, UT, or anywhere in the Salt Lake Valley, you don’t need to scroll through endless “catalytic converter repair near me” results; we’ve got you covered right here. What Your Catalytic Converter Does Think of your catalytic con