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On a 1992 Acura Vigor idle is adjusted through a idle control valve. Tightening the valve well raise the lower the idle and loosening it will raise it.
This is computer controlled
Idle is computer controlled and can NOT be adjusted.
You probably can't. fuel injected cars have the idle set by the ecm.
There is no adjustment, the idle is controlled electronically. If you have idle problems you may have a vacuum leak somewhere.
The idle is control by the idle air control motor from outputs from the Engine Control Module.
In most 1990s and later vehicles you cannot adjust the idle. It is controlled by the ECM or computer. An idle that is not correct indicates something like a vaccuume leak or a sensor issue.
Ford stopped manufacturing the Falcon in 1970.
The Honda B18b1 engine found the many Acura Integras use an idle control valve. Its idle control valve is placed on the intake manifold and uses a flat valve which can be screwed in and out to lower or raise the idle.
Idle speed is set by the PCM and is not adjustable. The screw you are fiddling with is just the stop screw to adjust the initial throttle plate position, it should not be used to attempt to adjust the idle.
The idle is controls ONLY by the PCM. Replace your ECTS along with cleaning the Idle Air Control valve located on the throttle body.
Why adjust idle... if this is a n/a you need to just leave it alone unless you have a consistent idle less than 900 or more that 1100 .... You will get no gain from this and if you don't have a consistent idle there is probably something else wrong.....