Thread: DTC P0102 MAF or VAF Circuit Low Input
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Old 08-20-2004, 06:50 PM
GMC97 GMC97 is offline
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DTC P0102 MAF or VAF Circuit Low Input
I have a 1997 GMC Sierra 4x4 with the 5.7L engine.

I had the Fuel Pump and MAP replaced (truck quit) and since then I ahave been getting a "Check Engine Soon" Lite with the P0102 code.

I have replaced the MAF with two rebuilt ones from Discount Auto and three from the junk yard, with no luck. I have also replaced the PCV, air filter, plugs, rotor, rotor cap, and wires.

I am out of ideas.

Any help
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