 Superior design maximizes engine performance and fuel efficiency  DENSO's light duty oxygen sensor started to appear on vehicles with the development of fuel injection systems. The basic job of the sensor is to monitor the air fuel mixture under idle, moderate acceleration and cruise conditions. Under heavy acceleration the oxygen sensor goes into "open loop," which basically means that the engine management computer system ignores the oxygen sensor. Oxygen sensors have a smaller range of limits in detecting and adjusting the difference from an optimum air/fuel ratio. As the automotive industry continues to improve on their standards DENSO is keeping the pace with advancements in our engineering to meet the demands from the industry. Also, as car owners are holding on to their vehicles for longer periods, DENSO continues to make auto parts available for those critical replacement parts for all applications.
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   ShippingAll our shipment will ship either same day or next from the time the order was placed unless order was placed on a weekend or holiday.PaymentWe require Immediate payment so we can process your order on timeReturnsReturn Policy We are committed to providing the best customer satisfaction possible. We will gladly refund or replace any defective item and most non-defective items. However, we reserve the right to charge a restocking fee of up to 20% of the order. Within 30 days of receipt of your order, you may return products that: • Are in their original packaging • Have original manufacturer information • Are not used, installed, or disassembled • Are not damaged due to incorrect installation • Do not have missing parts, hardware or instructions The following orders are not returnable: • Automotive repair manuals Once we have received your return, conducted an inspection of the return, and verified that your return meets the above guidelines, a full refund will be issued. All applicable sales taxes will be refunded. The cost of shipping will be credited only in those instances that the return is a result of our error. C.O.D. shipments will not be accepted. Items incorrectly shipped to Parts Marvel will not be returned. Items not purchased from Wizard Auto Parts will not be accepted. Core Returns If you would like to return an item associated with a core return value, please submit your request through our Returns form. Please note: • All fluids must be drained from the core • The core must be securely wrapped in plastic and sealed • Cores must be returned in the packaging used in the shipment of the order sent to you • Your core will be inspected to determine if the core is rebuild-able • Core return shipping charges are the responsibility of the customer. These are not refundable. Refunds We will issue a full refund for any returned products when your return meets the above requirements. The cost of shipping will be credited only in those instances where the return is a result of our error. Damaged Products If your product has been damaged in shipment, please Contact us within 24 hours of receipt of your product to begin the returns process. We'll then contact you via email with further instructions on filing your claim. Labor We will not refund any labor costs incurred by you or the installer of the products purchased at this website. Guarantee PartsMarvel guarantees the workmanship of the products sold. If you have received a defective product, please review the manufacturer information included with your new product. |
