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The TPS is the Throttle Position Sensor. One of the inputs a fuel injection computer needs is to know how far you've got the gas mashed. To do this, they put a variable resistor on the end of the throttle shaft and call it the Throttle Position Sensor, because they can charge $50 for the one-dollar variable resistor they used to make it out of if they call it a Sensor instead of what it actually is, which is a potentiometer they buy for $750 per thousand.

To find this thing, find the place the throttle cable hooks to. It'll be an arm attached to a shaft sticking out of SOMETHING--an aluminum casting, a plastic tube, whatever. On the other side of the "something" you'll find a device with wires coming out of it, which is the TPS.

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13y ago

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