So, my 1.6 B13 has had a idle problem for some time ,and today I really wanted it dealt with. I started with making sure I had all the vacuum hoses taken care of after, that I went and took the M.A.F off to check and see if it was dirty. Nope.... So next I started messing with the T.P.S and, at the same time the I.A.V.C. I tried adjusting the screw on the I.A.V.C and it did nothing so I just disconnected it ,and no changes, ran the same. Finally I just drove it to my storage/garage, where I have another B13 just like mine just all tore down with a blown 1.6 pulled out of it. First, I pulled the T.P.S off and swapped it onto mine at the same time grabbed the I.A.V.C and swapped it too. By that time the car had cooled down enough to see if the I.A.V.C was really working, started her up and she sounded way better than before. She idled up for a good two minutes ,and just in a instant the idle dropped amazing!!! She has never ran or idled this well. So, finally today after three years of owning her she runs and drives like a beaut. Not, exact on which one it was but I think neither the T.P.S or the I.A.V.C was working correctly.
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