The 2018 Ford Escape check engine light can be a cause for concern and anxiety among vehicle owners. When this indicator shows up on the dashboard, it serves as a signal that the vehicle's onboard diagnostics system has detected a potential issue. While the check engine light can be triggered by a variety of factors, it is important to address the underlying problems quickly to provide for the vehicle's optimal performance. In this guide, we will highlight possible triggers for the check engine light on the 2018 Ford Escape.
Bad Oxygen Sensor
One of the most common culprits behind a lit check engine light is a bad oxygen sensor. The oxygen sensor monitors the exhaust level of oxygen and helps control fuel injection. A defective sensor can lead to increased emissions and decreased fuel efficiency.
A 2018 Ford Escape Check Engine Light Due to a Damaged or Loose Gas Cap
A damaged or loose gas cap can make the check engine light come on. The fuel system relies on proper pressure, and a loose cap can disrupt this balance. Regularly checking and tightening the gas cap can prevent this issue.
Catalytic Converter Issues
Problems with the catalytic converter, like overheating or failure, can trigger the check engine light. The catalytic converter plays a big part in reducing harmful emissions, and any malfunction should be addressed quickly to prevent further damage.
Ignition Coil or Spark Plug Problems
Malfunctioning ignition coils or spark plugs can lead to misfires in the engine, causing the check engine light to glow. Regular maintenance, including replacing spark plugs and inspecting ignition coils, can prevent this issue with a 2018 Ford Escape check engine light.
Mass Airflow Sensor Troubles
The amount of air entering the engines is measured by the mass airflow sensor which also helps regulate fuel injection. When this sensor fails, it can result in poor fuel efficiency and performance issues, triggering the check engine light.
While the aforementioned issues are common, there are less frequent but still possible triggers for the check engine light in the 2018 Ford Escape.
Faulty Transmission Control Module
Problems with the transmission control module can lead to issues in gear shifting and overall transmission performance. While also less common, a malfunctioning module can trigger the check engine light.
Issues with the Electronic Control Module (ECM)
The ECM is an important component that controls various aspects of the engine's operation. If the ECM malfunctions, it can result in a lit check engine light and a range of performance issues.
Vacuum Leak
A vacuum leak can disrupt the air-fuel mixture in the engine, affecting performance and triggering the check engine light. Identifying and repairing vacuum leaks is imperative for maintaining optimal engine function.
Addressing the Check Engine Light
Regardless of the trigger, it is necessary to address the check engine light in an expedited fashion. Ignoring the indicator can lead to more severe issues and potential damage to the vehicle.
To determine the specific cause of the illuminated check engine light, it is recommended to use a diagnostic scanner or visit a qualified mechanic for a thorough inspection.
Revolutionize DIY Car Repairs with Haynes: Your Go-To Source for Expert Online Tips and Tutorials!
Go on a journey of automotive self-reliance with Haynes! Since the 1960s, we've empowered millions to confidently tackle car and motorcycle repairs at home, saving on costly garage visits. Our user-friendly DIY formats break down technical information, providing for more successful and safe repairs, for especially Ford car repair manuals.
Explore our extensive collection of automotive manuals covering thousands of cars and motorcycles, featuring renowned brands like Chilton and America's most popular models.
Haynes – your trusted partner for online repair tips and tutorials, making automotive maintenance accessible to everyone. For customer service or access to printed manuals, please contact us.