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Review on Automotive-leader 234-9120 Upstream Oxygen O2 Sensor 1 AFR for Subaru 2006-2007 Forester XT, Impreza WRX STI - 22641-AA211 22641-AA490 by Dave Hersma

Revainrating 1 out of 5

2005 Legacy GT Limited

I will not say this is a defective product but the unit sent to me did not work properly. My AFR was everywhere and my wideband AFR sensor that I use for tuning was accurate, so I knew it was that sensor. I ended up just buying a new Denso OEM and never left it to chance again. There is always a way to read your AFR when replacing, especially with an aftermarket air/fuel oxygen sensor on a turbocharged Subaru. Could have saved your engine.

Pros
  • Delivery was very quick
Cons
  • Secret