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Old 03-13-2015, 09:03 PM   #9 (permalink)
Occasionally6
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Quote:
Originally Posted by Focus-Ak View Post
This thread:

Any one seen these DIY gauges?
The Closed Loop Monitor
http://ecomodder.com/forum/showthrea...uges-1286.html

... evaluates the AutoSpeed closed-loop monitor discussed above, but shows that its accuracy is questionable. And perhaps more so on some cars than others, depending on differences in O2 sensors and how particular ECUs operate. Just FYI, for anyone following this thread.
Once set up I can't see how it can be inaccurate. It might be worth using a regulated voltage for the reference - as per the breakout box at the end of the article.
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