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Join Date: Dec 2001
Location: Lake City, Pa 16423
Posts: 28
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New AFM

Received and installed AFM from Porsche dealer. New part has a hex CO adjustment screw for leaner or richer-old oem did not. I thought CO is carbon monoxide. What's up with this? Does this need to be tampered with and if so can I trial and error with it or does it need some sort of sophisticated equipment for a proper setting. I had hoped the O2 sensor would work in conjunction with the AFM. Thanks
Old 05-08-2003, 04:30 AM
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Join Date: Feb 2001
Location: Viera FL
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the stock setting should be fine.

the CO adjust is used in conjunction with the O2 sensor to set the fuel air mix at a given RPM

The proper way to set idle requres the use of a CO monitor in the exhaust pipe. you adjust idle speed and CO level to fall within a set of parameters. think it is something like .8 CO at idle (800 +-40 RPM)

AFJuvat
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Old 05-08-2003, 05:46 AM
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WOW, you bought a new AFM from the dealer?

Can I borrow some money?

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'83 944 "Guards Red"
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Old 05-08-2003, 06:21 AM
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