hi, very greatful if anyone could answer this.

i know how the old style of bosch le-jetronic work, the ones with the flap, but how does the hot-wire one work on a scooby?

i.e. how does a wire sense air flow, and change the signal to a voltage?

thanks, ian.

 

I *think* it works by having the wire at a certain temperature.

As more air flows past it this cools the wire so more voltage is supplied to bring it to temperature.

The ECU calculates the flow from the voltage change.

I might be totally wrong, but thats how i understand it.

Cheers



Iain

 

Here's some good docs. You'll need Adobe Acrobat Reader to view the first and last ones.

http://www.autoshop101.com/forms/h34.pdf
http://www.kemparts.com/TechTalk/tt06.asp
http://www.wellsmfgcorp.com/counterp...erpoint3_2.pdf

Stefan

 

cheers mate
that makes sense to me mate, thought the name might be something to do with it, but didnt have a clue how it changed it to a voltage signal
your answer will do me

thanks again, ian

 

ah ozzy, you just sneaked in there, yes i have acrobat 5.0 so ill check them out now, thanks!

ian

p.s. how did the jacking go, or am i held responsible for a fatal error

 

Ian,

the car jacking was a success (must return that balaclava to you ) although it was absolutely chucking it down and it was dark. That'll teach me to watch the football first.

Stefan

 

ozzy, that was exactly the weather when i swapped the box and diffs on my car, but that'll thats all expected living in north wales!
just had a look at the info, there loads!! cheers mate
iain, you were correct