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Old May 1st, 2013, 09:40 PM   #8
Rob the plumber
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You can use a multimeter. There are 3 wires. 5v, ground, and tps voltage. Less than a volt at idle, and 4.7ish at wot. The tps voltage should smoothly increase to maximum voltage while the throttle is being applied. Look for spikes and dead spots.
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