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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

Symptoms of a throttle position sensor going bad?

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Old 10-06-2003, 11:37 AM
dfawvor dfawvor is offline
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My check engine light never came on. I was quite honestly fed up with my truck and resigned to the fact that the motor would never have any power. Then I stopped trying to be cheap and bought a code reader. Best money ever spent. The key on/engine off told me the map sensor was bad so I replaced it. The key on/engine running test told me my O2 sensor was bad. I haven't changed that yet.

88 F-150 302
Just your basic old truck!
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Old 10-06-2003, 03:16 PM
shutterman shutterman is offline
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Thanks for the info.!! I will be buying a code reader very soon.
This is a very cool and helpful site !!!!!

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Old 03-09-2011, 06:04 PM
PeterSr PeterSr is offline
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And I to love my 1992 Ford F250 5.8L that's rated at OVER 8600 lbs. I too have been having this problem which I believe I have narrowed down to the TPS. My question is: Will I have to reset the TPS if I remove it and replace it with a new one. Also, can this problem be caused by a bad MAP Sensor? I am at wits end! I have probably put several thousand dollars into the engine because of a nasty short in the electrical system that knocked out all my fusible links, my alternator, my starter and so on so forth. However, the EEC-IV and other electronics were not affected. This puzzles me!!?? I would appreciate your reply very much. Thanks.
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Old 03-09-2011, 06:04 PM

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1992, 58, 58l, 93, accelerator, bad, f150, f250, ford, map, position, sensor, symptoms, throttle, tps

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