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Review on πŸ”Œ Denso 234-4168 Downstream Oxygen Sensor: Reliable 4-Wire 13.7” Harness Solution by Klassic Duncan

Revainrating 4 out of 5

The sensor is only a few millimeters long.

The sensor is only a few millimeters longer than the factory sensor, so when removing the pipe it got stuck in the exhaust. Instead, I had to use a box wrench to tighten it, which was next to impossible due to lack of space. While this isn't the sensor's fault, I think it's relevant to others who may be experiencing this. It was a 2011 Toyota Sienna.

Pros
  • Decent performance
Cons
  • Minor faults