F250 7.3 throttle position sensor, codes P1531, P1705, PO476, PO282 - Ford Powerstroke Diesel Forum
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Old 11-04-2013, 06:23 PM

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F250 7.3 throttle position sensor, codes P1531, P1705, PO476, PO282

I can’t find a throttle position sensor for my 1995 7.3 liter, even from Ford. The part that NAPA provided as ‘the part’ didn’t have the right plugs, & the part numbers didn’t match. Maybe it isn't a throttle position sensor? If someone could look at the pictures below & let me know if they even recognize the proper name of this part, it is on the floor wall that is directly behind the throttle pedal & is bolted with 2 screws (pics are supposed to attach properly below). I was wondering if anyone is more able to locate this part then I, & can let me know where it’s found. I tried to attach some pictures of both plug ends & the data on the part (because I can’t figure out which set of data is the actual ‘necessary’ part number), the pictures should show at the bottom here & here is all the part data on the part in the same order they’re on the part:

F57F 9F832
BA 5C27B

Also, my truck is acting up something serious right now that manifests by completely dying when you go into any lower acceleration-it starts a couple times before completely not starting anymore. In one week of this month it stranded me a couple days in Thermopolis, WY, then overnight in Moses Lake, WA. These are far away locations that are not ideal to be stuck in, it was a mess. It seems to try to run at higher acceleration before it dies completely unable to start-stays down a couple days, then suddenly will out of no where will just start working again. The truck is not stable for safe travel & fortunately it started acting up with a diagnostic tool near. Here’s the codes it is giving, in addition to that it reads 0.78v at the pedal but there is no pressing on the pedal happening. Codes:

PO282 #8 INJECTOR CIRCUIT LOW (does this mean an injector is out or the UCVH?)


Can anyone tell me in easier terms anything that can help me understand what this all may mean? I’m trying to resolve this to get the truck in a happier place again so it can be used for trips again. It seems to be so complicated right now it’s hard to know what to do, where to start, & that it isn’t an expensive hit-and-miss experience again. So far replaced:

Cam position sensor (IS a FORD part), ICP sensor, Glow Plug Relay, 6 injectors (not since a year ago though & do not know if #8 was one of them). Here is some picture attempts of the throttle position sensor part, maybe that isn't the right name for it?



Last edited by nightofstars; 11-04-2013 at 06:32 PM. Reason: listed wrong number of injectors replaced & cleared up symptom better.
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Old 11-05-2013, 05:41 PM
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The TPS (Ford might call it the Accelerator Pedal Position Sensor) for the OBS trucks that is available in the aftermarket is the Dorman 699-200. If you want factory, you have to buy the entire pedal assembly (F6TZ-9F836-AA). Cheers!
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