Air Fuel Sensor Direct Fit
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Denso Air Fuel Sensor Direct Fit

Part No. 234-5090 Warranty  

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Designed to meet the increasing demands of today's engines. Each of our oxygen sensors is constructed of the highest quality materials available. High-quality stainless steel, porous polytetrafluoroethylene (PTFE), fluorine rubber, aluminum oxide, high-grade platinum and ceramics are used in each Denso sensor.
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Connector Gender:Male
Connector Type:Direct fit
Exact Fit:Yes
Heated:Yes
Length (Sealing Surface To End Of Connector):13.15 in
Thread Size:M18 mm
Wire Quantity:5

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2 Questions | 2 Answers
Displaying questions 1-2

  • Q:

    will this sensor if bad cause the engine to accelerate?
    Asked on 9/13/2012 by Mr. "T" from Laredo Texas

    1 answer

    • CUSTOMER CARE

      A:

      A faulty Air Fuel Sensor may allow too much fuel to be added to the air/fuel ratio, resulting in poor gas mileage. It can result in poor air/fuel mixtures or lean or rich fuel-injection delivery, all of which can cause improper or inefficient engine combustion and increased vehicle emissions. It will cause an engine to misfire. The engine hesitation is experienced only during acceleration, while an engine miss can be experienced both during engine acceleration and idle. A bad oxygen sensor may misread or misinterpret an engine's air/fuel mixture or air/fuel requirements and cause too little or too much air and/or fuel to enter an engine's cylinders, especially during acceleration. This can cause an engine to hesitate, or stumble. For compatibility of this Denso Air Fuel Sensor Direct Fit (Part# 234-5090), please provide your vehicle year, make, model and engine specification. For further assistance, please feel free to call us at 1-877-238-2623 or visit your nearest Advance Auto Parts store and one of our representatives would be more than happy to assist you.

      Answered on 9/14/2012 by Rick from AAP

  • Q:

    is this downstream?
    Asked on 9/1/2012 by Bob from Aurora, IL

    1 answer

    • CUSTOMER CARE

      A:

      This Denso Air Fuel Sensor Direct Fit (Part# 234-5090) should work fine as either downstream or upstream sensor based on the vehicle application. In order for us to further assist you, would you please provide us with the year and engine size of your vehicle application or you can contact us directly at 1-877-ADVANCE (238-2623) or visit your nearest Advance Auto Parts store for further assistance.

      Answered on 9/2/2012 by Rick from AAP
Displaying questions 1-2

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