Suwanee, Decatur & Marietta Auto Repair

If your state requires your vehicle to undergo “smog” testing or emissions testing, you must pass the test to renew your vehicle registration. Today, we’ll go over some tips and tricks to help your vehicle pass this test with flying colors so that you can be on your way. First off, repair the check engine light if it is illuminated. If a mechanic sees this on your car on testing day, it is an immediate failure. This is why we recommend planning ahead weeks or months before you’re due for the test. You should get the necessary repairs to reset the light. Make sure your engine is warmed up before testing. The fuel mixture tends to be richer when the engine is cold. When your engine is running for a while, it will reach an optimized temperature and balanced air-and-fuel ratio.  Get an oil change. If your oil change interval is close to the testing date, it may be better for you to have it done beforehand. If you have dirty oil running through your engine, i ... read more