Hi, What type of tool do I need to reach down into that little hole between the air flow sensor plate housing and the fuel distributor? Is there just a little teeny allen screw down there? And whatever is down there does in fact control the idle mix, right? Later -- Bryan Gunn Email: bgunn@voicetek.com Voicetek Corporation Tel: 508.250.7998 19 Alpha Road Fax: 508.250.9378 Chelmsford, MA 01824