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Review on πŸš€ Enhance Fuel Efficiency with Denso 234-4512 Oxygen Sensor by Shawn Pollock

Revainrating 5 out of 5

Stick to the original Denso sensor

This oxygen sensor was purchased for a 2010 Toyota Sienna. I had a P0137 O2 Sensor Circuit Low Bank 1 Sensor 2. The sensor that was in the car was a cheaper aftermarket sensor and was biased to output a low voltage. Spend a few bucks more and stick with Denso. This comes with an anti-seize already on the threads, a harness retainer on the harness and a grommet that goes through the floor pan.

Pros
  • This is amazing
Cons
  • Operating speed