is there a test that you can do to see if the water sensor is bad that goes to the computer on a 93 ford ranger 3.0
Unplug the harness connector. First, check the signal voltage at the connector with the key on, engine off. Should be approximately 5.0v. Then, check the resistance of the sensor cold. Should be between 58,750 to 40,500 ohms. Plug in the harness connector and warm up the engine to normal operating temperature. Then, unplug and check the resistance of the sensor hot. Should be 3,600 to 1,840 ohms.
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