Question about Mitsubishi Eclipse

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I have a 96 eclipse and the check engine and battery light are on, the code it throws is p1493 and p0117 what is wrong with it?

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P1493 Battery Temp. Sensor, Low Voltage

The battery temp sensor is built in to the PCM (ECU). The input from this sensor is used to adjust the alternator charging rate based upon the ambient tempature around the battery. The P1493 code is set when the sensor voltage is less than 0.3 V for 3 seconds. The only way to fix this code is to replace the PCM since the sensor is part of it internally.

Posted on Oct 15, 2008

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  • Mitsubishi Master
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P1493 Battery Temp. Sensor, Low Voltage
P0117 ECT Sensor, Low voltage

Make sure the engine is reaching operating temperature, U may have a problem w/the thermostat, this is code P0117

Have the battery and the Alternator tested for possiable charging system issue, this is code P1493

Posted on Oct 14, 2008

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P1493 Battery Temp. Sensor, Low Voltage,Solution: have the Battery and the Alternator tested, Auto Zone and Kragen as well as others do this for free. I suspect your Alternator is the problem.

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