[Diy_efi] What Injector Is This?

[Mike]

At 12:14 PM 4/3/03 -0800, you wrote:
>My Probst book has a blurb about the MAF, I'll fine the schematic
>of it elsewhere.

Great, I'm interested in alternatives,

>The cold wire which is not exposed to the air stream is not heated,
>it simply is a thermister.  The Hot wire is heated to 200C above
>ambient, so you can see, it's always very hot.

Yes true, I have the old Bosch yellow book from 1982 same mostly,

I'm curious if you have ever looked down the throat of the AFM
when powering off etc ?

rdgs

mike




>--Perry
>
>On Thu, Apr 03, 2003 at 07:36:22PM +0800, Mike wrote:
>> Its very similar, the bosch element in mine is not
>> that small - looks like the wire length is some 60mm
>> arranged in a loop.
>> 
>> I dont think its a design issue (read flaw) wich means
>> the Bosch 'needs' a large clean current as might be
>> implied. Bosch seem to go to some trouble with
>> issues like cal and an automatic clean as such is
>> bound to be more reliable than relying on people to
>> do it - which I still find perplexing.
>> 
>> Have you ever looked into the throat of one of these
>> ford MAFs and watched if it does or doesnt apply a
>> current pulse - maybe it does but its not enough to
>> make the wire glow.
>> 
>> Yes, I would like to see a schema of the ford MAF,
>> the 'clean' may well be supplied by the ecu and not
>> be inherent in the MAF as it is for bosch, as far
>> as I can determine from all I've read on these
>> issues - some sort of 'clean' burn is very helpful...
>> 
>> rgds
>> 
>> mike
>
>-- 
>Perry Harrington			Data Acquisition & Instrumentation, Inc	
>perry at dainst dot com					 http://www.dainst.com/
>
>Those who would give up essential liberty to purchase a little temporary
safety
>deserve neither liberty or safety. Nor, are they likely to end up with
either.
>                             -- Benjamin Franklin
>
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