Check Engine Light
Toyota Camry
Volvo 740
Combustion Engines

How do you turn off the check engine light on a 1991 Volvo 740 Turbo wagon?

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Answer

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Wiki User
07/26/2009

One way that always works is to disconnect the battery for at least ten minutes. If the cause of the check engine light turning on in the first place is not fixed, then the light will come on again pretty quickly after starting the car.