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Old 03-18-2012, 01:15 AM   #1
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Default Throttle positon sensor

Where is the Throttle position sensor located on 1987 ford f150 V8 ? Also is it easy to install? Thanks in Advance
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Old 03-18-2012, 01:22 AM   #2
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Underneath the throttle body, with a few inches of 3-wire harness leading to a teardrop shaped plug. Green, orange, and black I believe the wires are. Some people said they've been able to remove it without removing the throttle body, but I just pull the throttle body off.

Remove intake tubing at the very least. If you need to remove the throttle body, just unplug all the electrical harnesses on it, and leave the two coolant lines connected, just dont run too far away with the throttle body, you'll only need to turn it sideways to get a philips-head screwdriver in there to pull the sensor off. Two screws. make sure you get the new on installed the exact same way as the old one.
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Old 03-18-2012, 08:54 AM   #3
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Hey Thanks for that info. Do you think that is what is causing my idle to fluxuate up and down.?
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Old 03-18-2012, 09:02 AM   #4
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Its either that TPS or your Idle control sensor next to it...or maybe a Vac leak
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Old 03-18-2012, 02:42 PM   #5
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Is the way to test it, Is to unplug TPS and if it cuts the truck off it's good? Also the same with the Idle control valve? Just wondering , Iwas told this by a guy at Advance Auto, If that is the truth, I unplugged them separately and it did cut truck immediately. Can the Throttle body just be bad or need a good cleaning?
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Old 03-18-2012, 03:45 PM   #6
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Yes...a good cleaning will do wonders
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