Toyota Check Engine Light

Toyota Check Engine Light

Repair in Middle Village, Queens, New York

Starting your Toyota and witnessing a check engine light can be a scary situation. When this warning light appears, it’s important the owner addresses these issues immediately. These issues range between minor and severe.

“Why is my check engine light on?”

We often diagnose Toyota Camrys with Exhaust and Emission issues. These issues can range from a loose gas cap to failed oxygen sensor.

Loose Gas Cap

    If the car has a loose gas cap the check engine light will appear. This will show on scans as a leak. Fortunately this is a simple fix where the gas cap needs to be tightened.  

Oxygen Sensor

    A component of the oxygen sensor may stop working, causing a check engine light. The engine computer will then be unable to determine air to fuel ratios. Replacing the oxygen sensor will likely fix the issue.

Canister Purge Valve

The canister purge valve allows fuel vapors in the containment canister to be recycled into the engine combustion process. This diagnosis may be difficult and can be triggered by a number of sensors and components.


There can be a number of issues that cause a check engine light, and its best to get your Toyota inspected by certified technicians. At Essential Auto Care, our technicians are ASE certified and are experienced in all check engine issues. Our dedicated staff will assure your car is roadworthy before leaving the shop!


If your Toyota is experiencing a check engine light, schedule an appointment today at Essential Auto Care!

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Written by Essential Auto Care