Throttle Position Sensor Replacement - Advice
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Mountain Pass
Joined: Sep 2016
Posts: 103
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From: North Fork NY
Throttle Position Sensor Replacement - Advice
That check engine light on my 88 F150 has been on for awhile. I finally got the code off it this morning. It read: Code 63 throttle position circuit fault below minimum voltage. I figured I'll replace the throttle position sensor, I've changed a few on cars in the past and thought it should be an easy job. Then I realized as I opened the hood on the truck that the throttle body is mounted differently than the cars I worked on. They had the throttle cable mounted on the side of the throttle body and the sensor was located directly across from it. Easy to access and easy to replace. Not so on the truck. The throttle cable is mounted on top of the throttle body and the sensor is hidden below and difficult to reach. It looks as if I need to remove a few items from the throttle body to replace throttle position sensor. Has anyone done this before and can give me some pointers? I have some time before I tackle the job, because I had to order the part. Thanks!
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Joined: Oct 2016
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From: Houston/Sugar Land
That check engine light on my 88 F150 has been on for awhile. I finally got the code off it this morning. It read: Code 63 throttle position circuit fault below minimum voltage. I figured I'll replace the throttle position sensor, I've changed a few on cars in the past and thought it should be an easy job. Then I realized as I opened the hood on the truck that the throttle body is mounted differently than the cars I worked on. They had the throttle cable mounted on the side of the throttle body and the sensor was located directly across from it. Easy to access and easy to replace. Not so on the truck. The throttle cable is mounted on top of the throttle body and the sensor is hidden below and difficult to reach. It looks as if I need to remove a few items from the throttle body to replace throttle position sensor. Has anyone done this before and can give me some pointers? I have some time before I tackle the job, because I had to order the part. Thanks!
Hotshot
Joined: Jun 2015
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Unless you have tiny tiny fingers and a special screwdriver, I remove the throttle body to replace the sensor.
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Mountain Pass
Joined: Sep 2016
Posts: 103
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From: North Fork NY
I was hoping that there was some other easier way to do it and that I was missing something. This is such an easy job on others cars & trucks. Thanks
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Mountain Pass
Joined: Sep 2016
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From: North Fork NY
https://www.youtube.com/watch?v=rvui36Bqga4 This should help. Sandy
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It's a pretty easy job. I swapped mine a year ago in my 5.0 in my 95 F-150. Just get a new TV gasket, mine ripped. I used vice grips to clamp the coolant hoses. No draining coolant that way. Mine had Phillips head screws to hold tps on. Use a quality screwdriver, breaking mine loose almost stripped the heads but they did come out. I used a snap on screwdriver that bites pretty good. I didn't use a motorcraft tps. Sorry guys. Bought mine from eBay, like $10 or so. Probably China part?? Been fine for me, runs great. Probably more likely to get good quality using motorcraft parts. But I'm cheap and the truck is old. I took a chance and it worked out this time!
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Joined: Aug 2019
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As others have said, it is a fairly easy job to do, though the coolant hoses can be annoying to deal with.
Go with a Motorcraft TPS so you only have to do the job once. I originally put a Delphi on my 88 302; it failed within a month and I hardly ever drive the truck.
Go with a Motorcraft TPS so you only have to do the job once. I originally put a Delphi on my 88 302; it failed within a month and I hardly ever drive the truck.
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