Temp sensor differences

[Mazda Ebrahimi]

Bill Moffitt wrote:
> 
> I have been on this list for a few weeks now, and hope this
> question hasn't been asked before:
> 
> The engine coolant temp sensor and the air intake temp sensor in my
> 89 Geo Metro are identical in temp/resistance curves.  The only
> difference I can see is that the connectors are keyed differently,
> and most importantly, the coolant temp cost about twice as much!
> 
> I thought I had read somewhere that there may be a difference
> in performance between water and air temp sensors in EFI systems,
> whereby one was "quicker" than the other.
> 
> Any thoughts and comments would be appreciated.
> 
> Bill

I doubt if sensor response is critical in either application because 
under most typical circumstances, neither coolant nor air temp change 
rapidly.

Best Regards,Mazda