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Perfect fit but went bad after 3 months. Low readings caused a check engine code P0171/174, which means both banks were running lean. Measured the MAF readings and it read low at about a 4.3. Removed and cleaned the sensor and it improved to about a 5.2, acceptable range is around 10. Computer compensated by pushing 23% more fuel which caused the check engine light. Still gave it 3 stars because it fit perfectly and I don’t know if the oil from the K&N air filter could’ve caused the initial problem.
The air flow sensor shipped great. Fast and right when i needed it. Unfortunately it was not compatible with my 2008 Ford Expedition. It did not clear my code which was for the air flow sensor and my mechanic also stated that it was a bad sensor after testing everything.