Importance

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Abstract

An engine protection system and protocol is implemented within an electronic control module. Various engine parameters, such as engine coolant level, coolant temperature, transmission fluid temperature, and engine oil pressure are monitored and compared to limit values to determine if a fault condition exists as to one or more of the parameters. The engine protection system includes visual and audible signals responsive to the parameters. An engine disabling mechanism is operative when any of the aforementioned parameters exceed predetermined limits for a predeterminable period. The electronic control module contains a memory function for recording the fault parameters as well as other identifying information. The electronic control module also includes an engine idle limiter feature. The engine disabling means is operative when the vehicle idling duration exceeds a second predeterminable period. The electronic control module further includes a battery voltage monitor with latching relay including a circuit interrupter operative when the battery voltage falls below a predetermined limit.

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First Claim