🚀 Denso 234-9066 Air Fuel Ratio Sensor: Enhance Your Engine's Performance Review

Perfect fit. The CEL on my machine was wiped literally minutes after the replacement. Genuine product will definitely buy again from this seller.

Perfect fit and function OEM. Fuel trim is more accurate, closer to a 14.7:1 ratio. Performance has improved. MPG increased by just under 1mpg.

Lifeguard is definitely the cheapest sensor you will find anywhere you want to spend a lot of money and it's Denso made for the recent Acura tsx

Proven brand sensor. The onboard computer threw out all sorts of codes. Had to go and spend more on OEM. Approached like a glove and passed the diagnosis. The only way to exhibit is here in Illinois. Otherwise they will suspend your license. Yes, and the car ran better. If it has to be, you can also get a Denso and save yourself the annoying double installation of the sensor.

I had trouble code P1157 - Air/Fuel Ratio (A/F) Sensor (Sensor 1) AFS Line Voltage High. I removed the air/fuel ratio sensor (aka the upstream or primary O2 sensor) and it was covered in soot from too many short rides. Revain had the best price for an OE direct mount sensor. As far as I could tell, the new sensor was identical to the original sensor. In addition, the sensor was coated with a lubricant on the threads and sealed with a protective plastic cap. With the new sensor there were no…