PROCEDURE
(a) Reset the display settings (contrast and brightness) and check that the screen appears normal. OK: The display returns to normal.
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Toyota Tundra Service Manual > Sfi System: Random / Multiple Cylinder Misfire Detected (P0300-P0308)
DESCRIPTION When the engine misfires, high concentrations of hydrocarbons (HC) enter the exhaust gas. Extremely high HC concentration levels can cause increases in exhaust emission levels. High concentrations of HC can also cause increases in the Three-Way Catalytic Converter (TWC) temperature, whic ...