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The ultimate cock-block when you A. Need to get your car inspected or B. Need to sell your car. Generally, it means a sensor is tripped that indicates a faulty part, but it usually doesn't affect the overall operation of the car.
Potential Buyer: "So how much do you want for this car?"

You: "I'll take $5000 for it."

Former Potential Buyer: "Wait... the Check Engine Light is on, never mind."

You: "fuck..."
by iraqvet2009 August 30, 2010
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