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As seen on many NSX, lots of black gunk at the TH butterfly. On this NSX, I couldn’t even see the tip of the idle adjust screw so probably I need to remove it completely off the TH body, clean the port and then replace it together with the o-ring. The EACV filter was covered in black debris as well. Fast idle ...
Updated 24-04-2014 at 12:14 PM by Kaz-kzukNA1