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Discussion Starter · #1 ·
hey guys why does my 03 impala 3.8L LS have security screws on the MAF and TPS? and what is the right size so i can take the MAF off and clean it
 

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tork bit with hole drilled in it. i think it is T20 bit maybe T25.

GM got to make it hard
 

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Discussion Starter · #3 ·
thanks for the fast response because i am going to be working on writing up a how to on cleaning the throttle body and everything else and testing the IAC if i have time.
 

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same bit is used for maf and iac
 
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