Here's the content of a recent e-mail to me from another newsgroup. Might be pertinent to our vans, especially if you are a Gadgeteer. John Rodges 88 GL Driver In the Australian electronics magazine "Silicon Chip" for April 2004 there's a construction project called "A Smart Mixture Display for Your Car". Basically it's an add-on gadget for the motor enthusiast, to track the car's fuel mixture, rich or lean, by monitoring the engine's EGO sensor. The "Silicon Chip" article is accessible on-line at www.siliconchip.com.au, or more specifically at http://www.siliconchip.com.au/cms/A_101150/article.html though disappointingly only if you pay an amount for the download. It comes down strongly in favour of a particular EGO sensor, described as "NTK manufactured Ford E7TF 9F472 DA " , and includes a graph showing the response curves of the sensor at three different temperatures. A very similar graph can be found at http://www.innovatemotorsports.com/news3.php) Doesn't make much difference in practice. Just interesting to now have an explanation for the decrease in meter readings as the firing progresses. |
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