Mustang mass air flow sensors
Dirk Broer
OADDAB at abacus.gsfc.nasa.gov
Thu Nov 3 14:56:43 GMT 1994
>> I'm going to interface this sensor to the Bosch Motronic system
>
>I went through a whole bunch of Oxygen sensors (if that's what you are
>taking about) and they are all 0 to 1 V types mostly. Some have two wires
>so that one is a ground reference, some silly cars use the chassis ground
>for the signal, really stupid on a 1V sensor signal!
>Oh, I called all over and tried to get these technical types at the car
>parts places (factory) and they don't know what a Volt is. They were
>giving me all sorts of crap about it giving special types of pulses and
>stuff. Geezzzz, I guess they think we are all really stupid. Put it on
>the bench, get it hot, and it works. Even their little circuit exposes
>how it puts out the voltage.
When installed in an exhaust system you can actually 'see' individual pulses
from the individual cylinders (at least at idle).
As for gas milage - I heard spark timing was more of a factor than air/fuel
ratio (as long as you in the ball park of 14.7:1).
Dirk
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