Why Does Your Car Fail Emissions Testing? Here's What You Need to Know! 🚗💨 Is your car failing the emissions test again and again? 😩 Don’t worry — here are the top reasons it happens and how you can avoid it: ❌ Check Engine Light On – Even if your car seems fine, this light alone can fail the test! 🔧 Bad Spark Plugs or Filters – Dirty air filters or worn-out spark plugs affect fuel combustion. 🛢️ Old Engine Oil – Contaminated oil can increase harmful emissions. 💨 Faulty Oxygen Sensors or C