Yes, disconnect the O2 sensor AND the idle stabilizer. That might get you in the ballpark. The only *real* way to adjust that screw is with a CO (carbon monoxide) detector. Misadjustment of this screw can really "screw" with your engine. So, beware. Jon (The shade-tree FI guy) On Wed, 14 Feb 2007, Mike Frost wrote: > So I have convinced myself that I need to adjust the mixture screw on the > AFM but I have some trepidation about it. There are two things I want to > verify before I begin: > > 1. To adjust properly, I disconnect the O2 sensor and measure it's voltage > at idle, with a target of 0.5VDC. > 2. Turning the screw clockwise will lean the mixture? > > Mike Frost > 86 Vanagon GL > |
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