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Germany, Berlin
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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 Los Bizness

Revainrating 1 out of 5

Terrible, don't buy this!

Denso, Bosch and Subaru sensors are manufactured by Denso. This is the only acceptable overhead O2 sensor that will work properly on a Subaru. I bought this brand because a friend said it works fine on this machine. Turns out they were idiots and didn't realize the machine wasn't working well. I didn't have a check engine light, but when the engine was boosted the AFR was dangerously lean and collided with my notoriously good L1 gauge. 17:1 when charged!

Pros
  • Ideal for a small home
Cons
  • Crumpled