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Throttle Position Sensor

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I had a troulble code of 31 and checked out the throttle position sensor. I noticed that when I jiggled the wiring harness that the TPS would start working when the enginge was cold. Has anyone had a bad wire to the tps before and if so where exactly was the problem as these things seem to happen in the same place.


1990 Subauru Loyale 1.8L automatic

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