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Mazda 323,Mazda 626 & Mazda 929 Whether the compact 323, the mid sized 626, or the full sized 929, these vehicles remain very popular even though production has stopped.

what is /how to adjust this screw??

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Old Jul 8, 2009 | 07:09 AM
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Default what is /how to adjust this screw??
can anyone tell me what the adjustment is for this screw and how to check the adjustment, thanks guys.
 
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Old Jul 8, 2009 | 07:11 AM
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sorry i forgot to add it is for a 97 mazda 626 I4 at, a/c sedan
 
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Old Jul 8, 2009 | 03:24 PM
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That looks like an idle adjustment screw. Is that right?
If so, it should be set to the correct idle speed, usually around 750-850 RPMs.
 
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Old Jul 8, 2009 | 09:20 PM
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no its not the idle adjustment screw, i found that one, this screw moves the throttle plate. but i dont know what the adjusment for it is
 
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Old Jul 9, 2009 | 08:49 AM
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A screw that opens or allows the throttle plate to close is the idle adjustment screw. The other screw you refer to may be an air compensator or perhap the throttle position sensor. I'm really not sure.
Got pictures?

 
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Old Jul 9, 2009 | 01:15 PM
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here is a pic showing where the idle adjusting screw is:
 
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Old Jul 9, 2009 | 02:42 PM
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Well, I really thiink that what you have adjusted is an air compensator of some kind.
Can anyone else shed some light on this subject... someone with more hands on w/a '97 626?
 
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