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The throttle position sensor, TPS should be in about the same position as it was in earlier models - so the "Related Question" below should also be helpful.
Trouble code P2125 means: Throttle/Pedal Position Sensor/Switch ""E"" Circuit I would replace the throttle position sensor
It should take you less than a half an hour to replace the TPS sensor.
the throttle position sensor should be on the side or the bottom of the throttle body. it is a little black or silver piece with 2 screws on it
The cost to replace the throttle position sensor on a 1999 Jetta depends on whether the engine is gas or diesel. The gas engine throttle position sensor will cost around $100 just for the part. The diesel engine part is slightly higher. Labor costs are around $75 to $100 per hour depending on where the vehicle will be serviced. This job should take about one hour.
No, you do not have to buy the entire throttle body. You can buy only the throttle position sensor. Most of the big chain stores such as Kragens, Autozone etc. should have it.
It is on the side of the throttle body should be on the back side.
There is a throttle position sensor mounted to the throttle body. That's the place where the air intake valve sits near the top of the engine. Look for the throttle butterfly valve; on the end of the butterfly valve shaft should be a little sensor with wires connected; that's the throttle position sensor.
throttle position sensor is located on the throttle body oposite of the throttle cable. Should be held on by 2 screw and a 3 wire plug.
should be very easy. all you should have to do is disconnect the rubber air hose that comes from the air box to the intake manifold. the throttle position sensor(tps) is bolted to the outside of the throttle body. should only be 2 screws and some linkage. it is a small plastic piece that has a spring loaded metal tab that is actuated by the gas pedal
Look under the hood, at the throttle body assembly. You should see the accelerator cable attached to a pulley like assembly and when the pedal is depressed, the cable should move the throttle valve. The throttle position sensor is attached to the shaft that the throttle cable is moving. It will be the part with the electrical connections.
it is a throttle position sensor, should be located on the rubber part that goes to your air filter box.