Check the listing for details. 2PCS Oxygen O2 Sensor Upstream+Downstream For 2012 2013 2014-2017 Mazda 5 2.5L. Condition: New. Listed at 57.60 USD. Store CategoriesStore CategoriesOxygen SensorCar switchAir flow meterFuel injectorExhaust gas temperature sensorCar antennaRadiatorTire pressure sensorIgnition coilsVariable Valve Timing SolenoidCup holderReading lightOther2PCS Oxygen O2 Sensor Upstream+Downstream For 2012 2013 2014-2017 Mazda 5 2.5L Product Description Specification: * Line length: 500mm+400mm * 4+5 wire configuration * Interchange Part Number: 24396,234-5077, L5E2188G1 24460,234-4505,L5D91886ZC * Package Include 2x Oxygen Sensor Fit Vehicles: Please see compatibility chart. Mazda 5 2.5L L4 2012 2013 2014 2015 2016 2017 How do I know the O2 sensor is good or not? Check engine light on A reduction in fuel economy. Your catalytic converter fails unexpectedly Exhaust emissions reach undesirable levels. How to install the oxygen sensor? Step 1 - Some sensors are equipped with a heat shield that must be removed before the sensor removal, this is performed by removing any mounting bolts. Step 2 - By using a regular socket it minimizes potential damage to the sensor body and the threads, this technique helps avoid stripping the old sensor upon removal. Step 3 - Then, locate and disconnect the wiring connector, this step should be done before removing the sensor if the wiring is still attached. Step 4 - Its important that the wiring harness connectors are exactly the same, each sensor is unique to it's position and is located in the system by its connector configuration. (Note: some replacement sensors have a universal electrical connector that must be configured to the wiring of the old sensor.) Step 5 - Use a small wire brush to help clean the threaded port to ensure a proper seal of the new sensor. Gently install the new oxygen sensor by hand while keeping the wiring and connector free from bends. Step 6 - Gently tighten the sensor while keeping wiring free from damage, these sensors need to be fairly snug to avoid leakage. Step 7 - Once the sensor is tightened, reinstall any heat shields or bracing that had to be removed. Step 8 - After the heat shield has been reinstalled, mount the connector to it's holder and reattach the connector back onto the wiring harness. If the car has diagnostic trouble codes, they will need to be cleared. Must Know Before Buying: The following information is for instructional and guidance reference only. We try and make them as accurate as we can. If Check Engine Light is on or an OBDII Trouble/Fault code occurs after installation, check the sensor with a voltmeter as below. If the sensor is good, further diagnosis is required. There're many different codes for specific functional failures, which are NOT necessarily relevant to the sensor. Find out what the Code means before leaving any feedbacks. Items that have been installed, altered or contaminated are non-returnable. The Price, Quality & Functionality of the O2 Sensor is fully covered under our warranty & return policy. However, refund for any labor cost, expense in a dealer shop or damage due to wrong installation is NOT covered. Payment PolicyShipping PolicyReturns PolicyFeedbackPayment Policy We only accept PayPal. Credit card payment can also be made via PayPal.eBay Immediate Payment via PayPal. Please purchase and pay for the item through the eBay auction, and do not manually send us a PayPal payment. Shipping Policy Items will be shipped to buyer's eBay registered address. Please confirm your address before making payment. lWe will NOT be responsible for any delay during delivery including but not limited to customs postage checking, strike, force majeure etc Returns Policy Out 30-day Satisfaction Guarantee assures our customers that they will receive all orders promptly and exactly as described. 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