thanks for answer ---what I like about this site is you get really good answer--and some theory thrown in which makes you think--- that is why the second part of my question asked what these sensors did--I really would would be pleased to know--thank you--- syd

------------------
syd 81.300SD.196k
72.300SEL 4.5
mileage.Only god knows!




[This message has been edited by SYDDONNA (edited 06-30-1999).]