Civic L4-1590cc 1.6L SOHC (VTEC) (1992)
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Malfunction Indicator Lamp: Description and Operation
The ECU illuminates the "CHECK ENGINE" warning light, located on the instrument panel. If a problem is detected in any of the monitored systems,
this light is the primary means of notifying the driver that a problem exists. The ECU also stores a trouble code in erasable memory, and flashes the
LED on the ECU at the same time.