Maf code P102

[cru_zn_29]

My maf pin A keeps giving me a P102 code. I installed a new A/C Delco MAF Sensor
C pink wire has 12volts Key on
B black/white Ground right cyl head
E tan wire pin 38 IAC works
D tan/blk pin 37 IAC works
A yellow pin 41
I have omed all of the wires good When i rev the motor my monitor shows .57 on scale does not change Called the store they sent me a new Maf sensor it still does the same thing. Anybody have a problem like this ?

[BR3W CITY]

Are you using the maf w/IAT, seperate IAT, blade style maf ? Which one?

Is the IAT showing a logical reading or is it going to a default value (like -100/-264)

[cru_zn_29]

Using Delco maf w/IAT. IAT Showing 88 degree Also scanner shows Air Flow Calculated when rev motor 6.5- 43.30

[BR3W CITY]

102 is low voltage so i'd be inclined to try a different sensor ( you did) which to me means something is preventing a proper signal (short, bad input voltage, damaged wire on the harness side).

Its possible that a really bad mounting location can cause MAF errors, 101-103, but unless you have the thing jammed into a 90* or sitting right on the TB, thats not as likely.

We don't have any reason to suspect goofiness in the ECM, do we? It hasn't been (at any point) setup for SD, for an aftermarket MAF, or for anything that we haven't mentioned?

[cru_zn_29]

I installed a mass sensor off my friends avalanche cleared code drove it 20 miles no codes and had scanner on all works correct smooth numbers up & down. Thats 2 bad sensors i received from on line store.

[nsb29]

Originally Posted by cru_zn_29

I installed a mass sensor off my friends avalanche cleared code drove it 20 miles no codes and had scanner on all works correct smooth numbers up & down. Thats 2 bad sensors i received from on line store.

you have to watch out for the cheep discount parts stores LOL

[cru_zn_29]

Only when they are in Florida