A Check Engine Light (CEL) appearing on your dashboard means your car’s onboard computer has dete…
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A Check Engine Light (CEL) appearing on your dashboard means your car’s onboard computer has detected a problem in the engine or emission system. It can be something minor or serious, so don’t ignore it. Common Reasons the Check Engine Light Turns On
Loose or faulty fuel cap – Most common and simple issue. – Causes fuel vapors to leak and triggers the warning.
Oxygen (O2) sensor problem – Affects mileage and emissions.
Faulty spark plugs or ignition coils – Causes rough running, low pickup, or misfire.
Mass Air Flow (MAF) sensor issue – Affects engine performance. Catalytic converter problem – Serious issue; affects emission and fuel consumption. Low-quality fuel or fuel mixture issue Battery/charging system issue
