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Review on KAX 3L3Z12B579BA Replacement Compatible Expedition by Dusty Tofte

Revainrating 1 out of 5

Should have read the reviews! Not a quality product.

Engine failure a week after installing this mass air flow meter. Knowing the sensor was new, I found that the engine was smoking and running erratically due to a different failure mode. Without the proper diagnostic training and test equipment, I used a swap and nose process and replaced the sensors involved in the trouble codes. After long hours and replacing the $ sensor, the car was diagnosed by a professional workshop, the brand new MAF sensor failed.

Pros
  • Mass Air Flow
Cons
  • Secret