[Gmecm] MAF sensor tech info

Mark Mansur mmansur at hotmail.com
Tue Aug 2 17:06:04 UTC 2005


Ah, cool. Sorry, I missed that in your original email. FWIW, I'm also 
interested in the original MAF datasheets.

M

----- Original Message ----- 
From: "Rick McLeod" <dunvegan at sbcglobal.net>
To: <gmecm at diy-efi.org>
Sent: Tuesday, August 02, 2005 9:53 AM
Subject: Re: [Gmecm] MAF sensor tech info


> Thanks, Mark, but been there, done that w/ no help. I
> can swap in a known good MAF and reset codes and all
> works. I can put that bad MAF in a different car and
> it sets codes. Therefore, I am reasonably confident
> it's the MAF, therefore my quest to repair and save a
> few hundred greens, since I have 2 that are t---s up
> on the bench!
>
> --- Mark Mansur <mmansur at hotmail.com> wrote:
>
>> It could be the sensor, but most likely it's the
>> burnoff relay. Replace the
>> relay and chances are you'll be back to normal with
>> no more codes. They're
>> cheap enough to skip the diagnoses.
>>
>> If it makes you feel any better, my burnoff relay
>> finally failed at around
>> 200k miles.
>>
>> M
>>
>> ----- Original Message ----- 
>> From: "Rick McLeod" <dunvegan at sbcglobal.net>
>> To: "gmecm" <gmecm at diy-efi.org>
>> Sent: Tuesday, August 02, 2005 6:42 AM
>> Subject: [Gmecm] MAF sensor tech info
>>
>>
>> > Has anyone decomposed the stock GM TPI MAF. I have
>> 2
>> > that seem to read the airflow, but set code on
>> restart
>> > for the burn off circuit failure. I know this to
>> be
>> > sensor related, as I have 2 others that work
>> > correctly, so I suspect something in the circuitry
>> and
>> > am curious if they can be repaired by a reasonably
>> > skilled electronics savy tech.
>> >
>> > What I am looking for is schematic and hopefully
>> parts
>> > list. I've attempted searching with my best friend
>> mr.
>> > google but haven't found anything of sufficient
>> > detail, only a good procedure to diagnose relay
>> > failures, which are working correctly on this car.
>> >
>> > Thanks in advance
>> > _______________________________________________
>> > Gmecm mailing list
>> > Gmecm at diy-efi.org
>> > http://lists.diy-efi.org/mailman/listinfo/gmecm
>> >
>> _______________________________________________
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>
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