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Yes it is! Great answer. For the moment I do not have the sensor, let it go with the Porsche engine when it sold. I shorted the same wires and still got a failure message. I was thinking to buy a sensor and do exactly what you say. My 2003 is a bit more challenge than an earlier car because some of the works is through CAN. My coolant temperature for example is a 2 wire resistive circuit to the ECU. For the life of me I couldn't see how the cluster gage picked up the temperature. Heated the sensor and the cluster Gage works. Has to be over CAN. On to the next challenge. Any Ideas for the tachometer? It appears to be CAN
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