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234-4401 Upstream+Downstream Oxygen Sensor 4L3Z9G444AA 2344401 Compatible For Ford 4.2L 4.6L 5.4L V6 V8 2004 2005 2006 2007 2008 in Saudi Arabia 234-4401 Upstream+Downstream Oxygen Sensor 4L3Z9G444AA 2344401 Compatible For Ford 4.2L 4.6L 5.4L V6 V8 2004 2005 2006 2007 2008 in Saudi Arabia 234-4401 Upstream+Downstream Oxygen Sensor 4L3Z9G444AA 2344401 Compatible For Ford 4.2L 4.6L 5.4L V6 V8 2004 2005 2006 2007 2008 in Saudi Arabia 234-4401 Upstream+Downstream Oxygen Sensor 4L3Z9G444AA 2344401 Compatible For Ford 4.2L 4.6L 5.4L V6 V8 2004 2005 2006 2007 2008 in Saudi Arabia 234-4401 Upstream+Downstream Oxygen Sensor 4L3Z9G444AA 2344401 Compatible For Ford 4.2L 4.6L 5.4L V6 V8 2004 2005 2006 2007 2008 in Saudi Arabia

234-4401 Upstream+Downstream Oxygen Sensor 4L3Z9G444AA 2344401 Compatible For Ford 4.2L 4.6L 5.4L V6 V8 2004 2005 2006 2007 2008

SAR 841
Brand
PNBJN
Weight
50 g
– 1 +

Special Features

  • The importance of turbocharged engines: During operation, the intake and combustion pressures of turbocharged engines vary greatly. Oxygen sensors accurately monitor the oxygen content of exhaust gas, helping ECU adjust the boost pressure and fuel injection quantity in a timely manner to prevent engine detonation and improve the reliability and performance of the turbocharging system.
  • Characteristics of adapting to different altitude environments: In high-altitude areas, the air is thin and the oxygen content is low. The oxygen sensor can automatically adjust the monitoring benchmark and work with the ECU to recalculate the air-fuel ratio, allowing the engine to operate normally in low oxygen environments, reducing power loss and maintaining vehicle performance stability.
  • The impact on engine cold start fuel injection strategy: During cold start, the engine temperature is low and the fuel atomization effect is poor. Although the oxygen sensor has not reached the optimal working temperature, it still provides signals to the ECU to help determine the additional fuel injection amount during cold start, ensuring smooth engine start and reducing start time and fuel waste.
  • Characteristics of signal processing circuit: Internally integrated complex signal processing circuit amplifies, filters, and converts the weak oxygen signal obtained by the sensing element into a standard voltage signal suitable for ECU recognition, ensuring the accuracy and stability of signal transmission and reducing external interference.
  • Adaptability under different climatic conditions: In high temperature and hot areas, our oxygen sensor can withstand higher environmental temperatures and exhaust pipe high temperature impacts; In humid and rainy areas, it has good waterproof and moisture-proof performance, preventing components from being short circuited due to moisture and ensuring stable operation under various complex climatic conditions.

Description

Interchange Part Number
234-4401 2344401 234-4402 2344402 234-4870 2344870 234-4403 2344403 XL3Z9F472AA XL3Z9F472C ZZR118861 XL3Z9F472BA 8F9Z9F472B 8F9Z9F472H A2C59513231Z RBI15664 0258006165 0258986603 F5MF9F472B2B 98BB9F47
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