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Check Engine Light Flashing? Here’s What You Need to Know

RepairSmith

Worried about the check engine light flashing on your dash? This warning is more than a minor hiccup — it often points to urgent issues that could harm your vehicle’s engine if left unchecked. This Article Contains: What Does a Flashing Check Engine Light Mean? Wondering what to do next?

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Always Follow the Lead! How Our Automotive School Fosters Strong Auto Repair Instincts

Automotive Training Centre

At our automotive school, we believe in empowering our students with the foundational principles that sharpen their instincts and guide them in making confident, informed decisions during complex repairs. But when he started the car, the Check Engine light began flashinga sign that something was seriously wrong.

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Check Engine Light (CEL) – What Can Cause It To Come On

Danny’s Engineportal

Danny's Engineportal - Helping Solve Automotive Engine Problems Danny Bender Check Engine Light (CEL) – What Can Cause It To Come On Danny's Engineportal Seeing a Check Engine Light (CEL), is one of the most frustrating and confusing factors, of owning a vehicle. It tells you [.]

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How to Interpret Warning Alerts After Automotive School

Automotive Training Centre

Common Types of Warning Alerts Modern vehicles have warning lights that indicate everything from minor maintenance reminders to serious system failures. Check Engine Light (CEL): The check engine light signals potential issues ranging from minor sensor malfunctions to major engine failures.

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Catalytic Converter FAQ

Brake & Front End

Learn common causes of failure and troubleshooting tips for check engine light issues after replacement. Stay informed to help your customers maintain efficient exhaust systems. Understand the role of catalytic converters in reducing emissions, why they’re costly, and how to choose between EPA, CARB, and OEM options.

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Hyundai Genesis Dongle Causing Multiple Issues

Tomorrow's Technician

Check engine light is ON. DTC example P060141 Internal Control Module Memory Check Sum Error. Check under the dash to the left of the steering wheel for an installed aftermarket dongle in the DLC: Dongle is present? Battery drains when parked for several days. Loss of CAN communication. Service Procedure: 1.

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How to Test a Car’s Mass Air Flow MAF Sensor

Solera

For instance, the mass air flow (MAF) sensor plays a critical role in metering the air flowing into the engine and informing the engine control module (ECM). However, the MAF sensor can become dirty, malfunction, or fail, leading to significant engine performance issues.