Does anyone know what the screw on the passenger side of the throttle body under the linkage is for???? And how too adjust it?

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1987 4x4 xlt 2.3 throttle body

Can you post a picture of it?

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2014 F150 xl 3.7 6 speed auto.

No unfortunately i cant

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But I think its the only adjustment screw on the throttle body

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1987 4x4 xlt 2.3 throttle body

Is it a hex head with a slot in it?

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2014 F150 xl 3.7 6 speed auto.

Yes!

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1987 4x4 xlt 2.3 throttle body

I made the mistake of turning it too try and raise my idle and not sure how too get it back too stock

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1987 4x4 xlt 2.3 throttle body

You can back it out, if you don't have a tachometer just turn it until sounds right. I had to adjust mine awhile back and what i did was back it out until the screw just barely came of the throttle then turned it until it reached about 900 rpms.

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2014 F150 xl 3.7 6 speed auto.

Ill try that!I probly should disconnect the timing spout thing right?

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1987 4x4 xlt 2.3 throttle body

You can leave it connected.

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2014 F150 xl 3.7 6 speed auto.

Thanks Seems too b running pretty good but after computer reset idle bumped up too 11 should I lower it back too 9?

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1987 4x4 xlt 2.3 throttle body

Back it out a little more.

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2014 F150 xl 3.7 6 speed auto.

Computer keeps resetting to 1100

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1987 4x4 xlt 2.3 throttle body