wonder if cleaning it would help. crc makes a maf sensor cleaner that is supposed to be safe.
They have MAF sensor cleaners, just released this year as a matter of fact. But it has a 50/50 chance of working. Sometimes it’s just dead. The item is below.
http://www.amazon.com/CRC-05110-Mass-Sensor-Cleaner/dp/B000J19XSA