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Q: Malfunction indicator lamp? on 1998 Toyota Tacoma

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MY Tacoma's Malfunction indicator lamp turns on when I start the engine and then turns off but sometimes it turns back on when I'm driving what should i do?
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A check engine light that flashes continuasly means there is a serious fault and the truck should not be driven with out repairs being carried out . The system does a self check when you turn on and run the engine and the light should then go out unless it sees a hard fault. Any time the light stays on or comes on and off the code that caused the problem is stored in the memory of the computer and is retrieved by plugging in a scan tool to a diagnostic connector under he dash of your truck. You should get the codes retrieved to see where the problem lies.
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