🔧 Motorcraft DY992 Oxygen Sensor: Enhanced Performance and Durability Review

Fits my 2008 Ford F150 5.4 FX4 Gas (remember you need 2 and they only fit on the exhaust pipe. The cat colors match, I had the purple connectors and they are the Rest are gray for the upward exhaust pipes.Maybe Bosch parts will work too.

Absolutely correct product! We were replacing the engine in a friend's Ford pickup and kept getting error codes for the O2 sensors. With their replacement, the error codes disappeared, the job was done and the truck was back in action at a friend's house in a few hours.

I bought 4L3Z-9G444-AA (DY-992) and it matches my 2007 F-150 STX 4x4 downstream oxygen sensor perfectly. Customers should be aware that the connectors are color coded and are purple connectors that only mate with the purple connector in the vehicle wiring harness. In my car, the updraft is gray and the downdraft is purple. I bought a DY-835 (XL3Z-9F472-AA) with gray connectors from another site as they weren't offered here. Avoid disappointment and check the color of your connectors before…

Perfect for my 2004 F150 XLT 5.4L 4x4 with 140,000 miles. I use OBD-II software through my iPhone and an OBD-II Bluetooth adapter to regularly monitor my truck's health. Lately I've been noticing some wobble and acceleration issues and the software was showing erratic readings on my up sensors and a constant zero voltage on both of my down sensors. Fuel trim also works to enrich from time to time (from -12 to -21). MPG figures also dropped to an average of 11.5 MPG with 20-inch off-road wheels…