[Gmecm] MAF sensor tech info

[Mark Mansur]

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
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