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Posted (edited)

Was hoping to get some insight on this. Electrical just isn't my thing.

 

Rebuild top end, head gasket, graphite, failure due to corrosion 

 

Never had an oiled air filter

 

Cleaned MAF with alcohol, 99%, spray, never touched

 

Cleaned TB, TPS seems fine

 

Idle 630rpm, scanner

 

Scanner also shows everything else seems to be fine or is at least registering a signal.  MAF is 0g/s

 

Ground wires all cleaned 

 

1.5 volts to MAF on black and tan while running 

 

632ohms on those pins on the MAF 

 

2002 sierra 4.8L with 360k km, truck ran fine before 

 

Checked continuity to ground, black and black/white are both connected to ground

 

What am I missing?

Edited by 10 under
Made a mistake, additional information

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