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Registered
Join Date: Dec 2005
Posts: 30
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Lean and Rich adjustment/guage
Have an 86 951 and I'm going to install a fuel mixture guage. However, where is the lean/rich adjustment or is there a manual adjustment? I'm new to the 951s and not sure where the adjustments are made. Also, any help on installing the guage, location and hook up?
Thanks, Don |
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04-12-2006, 08:30 AM
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Super Moderator
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what fuel mixture gauge are you installing ? is this wideband ?
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'89 turbo-s (2.7, wolf3d ems, garrett dbb turbo, tial 46mm, etc. fast!) |
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04-12-2006, 12:56 PM
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Join Date: Dec 2005
Posts: 30
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I'll have to check, it's one I had sitting around. It's new and never been installed in anything.
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04-12-2006, 01:15 PM
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okay you get on that and let us know.
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'89 turbo-s (2.7, wolf3d ems, garrett dbb turbo, tial 46mm, etc. fast!) |
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04-12-2006, 01:30 PM
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Registered
Join Date: Dec 2002
Location: Richmond, VA
Posts: 484
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The only adjustment you have is for the idle mixture to set the CO (Carbon Monoxide) level.
To do this you need to install a jumper wire between pinn B and C of the diagnostic connector (the connector is located on the driver side fender), and connect a digital volt meter to the O2 sensor output. Connect a dwell tach to the coil, and insert a 6mm allen wrench into the bypass screw on the Air Flow Meter. Start the engine and let it come up to temperature. Set the DVM to read the 2 volts DC scale. Adjust the AFM by-pass to give a DVM reading of about 0.60 to 0.7 volts. NOTE You may need to adjust the idle by-pass on the throttle body to maintain 840 +- 50 RPM.
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Cliff Hipsher '87 944 India Red '86 951 Kalahari Metallic |
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04-22-2006, 05:45 AM
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Join Date: Dec 2005
Posts: 30
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Cliff,
Thanks so much, I will give it a try. Don |
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04-22-2006, 06:13 AM
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