IAC valve Motor Adjustment
02-11-2012, 12:36 PM
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i found this DIY https://www.s2ki.com/s2000/topic/895678-shaky-idle/
from mr bullman250
Clean the IAC valve.
You will need a special tool called a pentacle bit. It's a five point torx.
Remove the valve assy.
Take the electronic motor part off the valve with the pentacle bit. BE CAREFUL...there are 2 tiny special shaped spacer plates between the valve and the motor. Work on top of a clean towel, dont loose them. Put it aside. Don't clean it at all in any way. A light wipe with a dry rag is ok, but it wont need it.
The VALVE part has a rotary shaft inside that spins 360 degrees. if it is sticking, the ecu input to move this valve will lag, and you will get the idle dip/shake/come back up. clean this out with cab cleaner, blow dry it. Even add a drop of oil to each end to the tiny shaft bearings.
Spin that shaft with with your fingers till it spins free and smooth.
from mr bullman250
Clean the IAC valve.
You will need a special tool called a pentacle bit. It's a five point torx.
Remove the valve assy.
Take the electronic motor part off the valve with the pentacle bit. BE CAREFUL...there are 2 tiny special shaped spacer plates between the valve and the motor. Work on top of a clean towel, dont loose them. Put it aside. Don't clean it at all in any way. A light wipe with a dry rag is ok, but it wont need it.
The VALVE part has a rotary shaft inside that spins 360 degrees. if it is sticking, the ecu input to move this valve will lag, and you will get the idle dip/shake/come back up. clean this out with cab cleaner, blow dry it. Even add a drop of oil to each end to the tiny shaft bearings.
Spin that shaft with with your fingers till it spins free and smooth.
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