Review on Enhanced Denso 234-9120 Air-Fuel Ratio Oxygen Sensor by Carlos Block
2006 WRX STI USDM on sensors
If you get front oxygen sensor codes and you are "lean" (20.33 cruising AFR) and your fuel is dropping like it's hot then I'm me I am almost certain that this is the spare part for you. I figured I needed a new O2 sensor after rebuilding my engine after getting a CEL (Check Engine Light) and all of my symptoms above. I spoke to my tuner and he recommended this for turbo and upstream (male to female) setups. The installation went smoothly and everything was fixed immediately. Check out old and new sensors 😬
- Good product for the price
- Problems
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