>JD> light and DVM in many cases), and so on. You can buy a shop 
 >JD> manual for an individual car for around $50.00, and they have 
 >JD> quite a lot of detail on the engine-control systems.
 > 
 > Oh yeah?  Are you talking about stuff from the dealer?
They usually have info in the back of a car's owner's manual for ordering a 
shop manual.
 > When would you say that simplification started showing up?
 > 
 > It's funny what you think of as "current",  in different contexts.  
 > My current vehicle is 20 years old,  and it's the newest thing I've 
 > ever owned.  The other one (with the sensor) referred to up there is 
Roy,
 I consider "current" (in this context) to be no more than about 5 years old. 
Of course, 'state of the art' varies a lot with individual manufacturers and 
even models; high-tech stuff shows up first on luxury models, then migrates 
to the lower-end.
 >JD> And it all WORKS; I can hop in my wife's Olds when it's zero 
 >JD> degrees F, hit the switch and away it goes. No pumping of the 
 > You don't mention what year that olds is,  though.  One problem I'm 
 > looking at is that I can't *afford* the newer stuff...
The Olds is a '93. And whether or not you can personally afford the newer 
stuff has nothing at all to do with whether it's any good or not.
Darned if I know what any of this stuff has to do with Home Power, however. 
Time to get back on-topic, methinks.:-)
                                      >
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