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Your 1998 Lincoln continental idles way too high any suggestions?
Wiki User
∙ 15y ago
Try disconnecting the Throttle Position Sensor (TPS). It is located on the throttle body. A small black sending unit with an electrical connection coming out of the top. On my 1998 Lincoln Continental, disconnecting the TPS brought the idle back to normal. Plugging it back in caused the idle to shoot up high again. It is a sending unit that tells other computers in the vehicle the position of the throttle plates. Other calculations of fuel, air, etc. are apparently made based in part on what this sending unit is saying. I guess unplugging it shuts it up. Of course, it will need to be replaced so that it can again begin sending useful information.
Update: I changed the TPS (buy it online if you can wait. Its a bit expensive at Ford). The car ran perfectly after about 30 seconds (so the computer could reset probably). To replace the TPS you will need to take a few parts out. First, remove the air cleaner, disconnecting any vent pipes and electrical connections on it, and get it out of the way. You will then see four bolts on the throttle body (the thing with the two butterfly flaps in it). Unscrew the four bolts and take them out. Then very carefully lift the throttle body off of the gasket. You don't have to take it all the way off. In fact, because it is still connected to the throttle cable and all of the other throttle cable related parts, you can at best tilt it up so that you can get access to the two screws that hold in the TPS. Once you tilt the throttle body up, unscrew the two bolts holding the TPS in and take them out. BE VERY CAREFUL. If you drop one of the screws it could go down the intake. That would be a major problem. However, if you carefully remove the screws and set them aside, the TPS comes right off. Put the new one on, making sure it seats correctly and screw the two screws back in. Then reseat the throttle body and put the four bolts back in. Reinstall the air cleaner and you are done. The whole operation can be done in about 20 minutes.
Throttle plate may be sticking
Wiki User
∙ 15y ago
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