Quote:
Originally Posted by 98chevys10
But i didnt understand how to check the TPS signal with the sensor plugged in? if anyone can help me out on that that would be great.
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One wire is the 5 volt reference, one wire is ground, one wire is the signal return. With the sensor plugged in backprobe the signal return wire with a small paper clip or a pin. Turn the key on and slowly move the throttle from fully closed to fully open.