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14.7 is always considered "perfect" AFR, But generally this will change anywhere towards 11-12 when under load(ie boost).
Hey, its very simple, it is located under the engine on one of the exhaust pipes, looks just like O2 sensor. unscrew it with a wrench, unplug it, and replace with a new one, hope it helps.
You can buy a kit with new jets and metering rods for this purpose. Quadrajets can be a little tricky, so you might want to get a how-to book and read up on the procedure.
Use a cable and software from VAGCOM.
You need VAGCOM software to do so.
A fraction is a ratio
the term for the ratio of vertical change over horizontal change is slope
It is possible but anytime I have a misfire read on any one cyl. it has been a bad fuel injector. yes it very much can it can throw off your airfuel ratio causing you engine not to fire correctly..
You have to change the gears
The Slope
The Slope
Multiply the ratio by 100.