Posted on 5/27/2022
The most dreaded car repair for drivers is the check engine light. This yellow dashboard warning light can be mysterious in many ways because it can mean many things. The issues range in severity, which is why it is important to have it diagnosed as soon as it illuminates on the dash. Read on to learn about the top 5 common reasons why this light may be on! 1 - Loose, Broken, or Damaged Gas Cap This problem is the one most people hope for because it is the cheapest and easiest to repair. When your gas cap is tightened properly, the gasoline can evaporate. It will signal the check engine light to come on. 2 - Faulty Oxygen Sensor The O2 sensor sits in your exhaust pipe, and it simply reads oxygen levels. It sends the information to your vehicle's computer and uses the data to maintain a balanced air to fuel ratio for optimal engine performance. 3 - Broken Mass Airflow Sensor The mass airflow sensor is all about perfecting the spark timing and fuel delivery. When the MAF sensor ... read more