Throttle position sensor

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Jun 18, 2019 | 04:55 PM

tomsykes004

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Throttle position sensor

I ran diagnostic on my truck and got the code for a throttle position sensor, the truck was running very weak when put into gear like backing in and out of parking spaces the engine would stall out multiple times. I replaced the tps and now I I am idling at a very high rpm and when I try to put t it in gear everything bucks, any ideas as to adjustment I can make?

Jun 18, 2019 | 06:22 PM

torq'ta 5 8

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From: N.W. Alabama

more truck info, year, model, motor, trans, what was idle before you replaced tps, what is idle now? what was actual code?

Jun 18, 2019 | 06:30 PM

tomsykes004

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5.8, automatic, 4x4

The idle was weak before changing, I unplugged the new tps and the idle came down remarkably. Code was 0122 tps

Jun 18, 2019 | 06:43 PM

torq'ta 5 8

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From: N.W. Alabama

read this to assure you set tps right
Throttle Position Sensor Testing, Replacement and Adjustment - Ford Bronco Forum

Jun 18, 2019 | 06:57 PM

puppyf250

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Quote:

Originally Posted by torq'ta 5 8

read this to assure you set tps right
Throttle Position Sensor Testing, Replacement and Adjustment - Ford Bronco Forum

This is correct, it is very very easy to set these up wrong.

Jun 18, 2019 | 07:54 PM

timbersteel

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Joined: Mar 2005

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From: Mexico, Missouri

Did you disconnect the battery? When changing sensors, known bad sensors, you should do this so that the PCM can learn new idle/driving strategy.

If you didn't, then the PCM is still using old values learned from erroneous sensor data.