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But the most important one is the upstream O2 sensor, the one that is closest to the engine, usually in the exhaust manifold. Bank 1, Sensor 2 is the downstream oxygen sensor located in the exhaust behind the catalytic converter. And if you continue driving for several months, it may lead to engine damage or catalytic converter failure which can cost thousands of dollars to fix or replace. In any case, it is advisable for laypersons to visit a workshop. On idle or while cruising at a constant speed, this should be around 0.45 volts. In-line engines have all cylinders in a row, with one cylinder head and intake and exhaust components. If there is any fault in the oxygen sensor, it usually illuminates the engine check light in the instrument cluster of Hyundai Elantra. If you Buy It Now, you'll only be purchasing this item. Since a rich or lean condition robs a vehicle of power, a bad oxygen sensor can cause poor acceleration. One of the most common causes of oxygen sensor failure is dirt and soot build-up on the probe itself. This listing is for part or sub-assembly number given below only. If you see any error code from P0130 to P0135 or from P0150 to P0155, it indicates a problem with the upstream oxygen sensor. Add to cart to save with this special offer. The cylinder labeled as number 1 will always be on bank 1, while bank 2 will hold cylinder number 2. Note: The accuracy and accessibility of the resulting translation is not guaranteed. Youwill need to access and replace thebank 1 sensor 2 oxygen sensor from under the vehicle in most cars. In most cars, this fuse is inside the relay box within the engine bay area. Every sensor 2, or downstream sensor as many call it, is always after the catalytic converter. Search OBDII Codes with one click. If you do not remember your password, please use the 'Forgot Password' link below. California Emissions; Bank 1 Sensor 1, 3921002620, 392102E400, 392102E401, 392102E410, 10.8262, 059906262L, 059906262M, 06E906262K, 06G906262F, 06J906262M, 07C906262BR, 392102B250, 392102E200, 392102E201, 392102E210, 392102ECA0, 4S0906262, 8F9Z9F472B, 8F9Z9F472D, 8F9Z9F472H, 95860613420, 95860617220, 95860617230, BA5Z9F472B, BA5Z9F472C, C1BZ9F472B, C2D24922, DS7Z9F472A, FJ7Z9F472A, ZZDA18861, 11787590713, 12589380, 392102B420, 392102B470, 392102E100, 392102E101, 392103L000, 392103L010, 4S0906262C, 68328896AA, 8F9Z9F472A, 8F9Z9F472F, 8F9Z9F472J, 95560612830, BA5Z9F472A, BR3Z9F472A, LR001370, LR035751, Upstream; Elantra Base Model; Bank 1 Sensor 1, Downstream; Elantra Base Model; Bank 1 Sensor 2, 392102E500, 392102E502, 392102E510, 392102E511, 392102E550, 392102ETL4. The P0139 code is set when the Engine Control Module (ECM) detects that the rear O2 sensor takes more time to respond between rich and lean than the specified time. The O2 sensorbehind the catalytic converter is what we call a downstream, post-cat, or sensor 2. You can diagnose the problem by connecting an OBD2 scanner to your vehicle. It is important that you enter this 100% correctly, otherwise the result of the search may be inaccurate. Checking their condition before blaming the sensor itself is a step that may prevent unwanted expenses and future problems. Get Access to Factory Service Manuals, Get the p0139 hyundai code diagnosed by a professional: Find a repair shop in your area, Help us improve AutoCodes.com. You can also look for marking on the valve covers or ignition cables to determine the cylinder pattern. Bank 1 Sensor 2 is the second sensor on theexhaust pipe, located downstream behind the catalytic converter. The HO2S generates a voltage between 0.1 and 0.9 V in response to oxygen in the exhaust gas. [ , . What is the difference between O2 Bank 1 Sensor 2 and Bank 2 Sensor 2? The core of each sensor is a probe that has a special sensing element inside it. These deposits can prevent the flow through the probe and cause incorrect readings. Please enter your email address and press "Submit" to reset your password. The engine bank thatcontains cylinder 1 is called Bank 1. Knowing the right designation is much more important when dealing with engines in a V-configuration. Bank 1 sensor 2 is located downstream, usually right behind the catalytic converter. In theory, there should be no noticeable impact on engine performance if this sensor fails. Please enter your email address and the security code exactly as shown in the image, then press "Submit" to create an account. All car manufacturers refer to engine sides as banks, giving each one of them a corresponding number. Please choose your vehicles details for specific results. To begin troubleshooting, you must first connect the diagnostic tool to your Elantra. Leave a comment below or tell us if the information above helps you fix the code. Most diagnostic devices then ask for some information about the vehicle. Faulty oxygen sensors are the leading cause of premature catalytic converter failures. Cleaning them off with a special solution is a stop-gap measure, and replacing the sensor is the only reliable solution. What does Bank 1 Sensor 2 no activity mean? If the oxygen in the exhaust gas increases, the air-fuel ratio becomes Lean. . ( ) , . () . Seller assumes all responsibility for this listing. Following are all the error codes that indicate a problem with an oxygen sensor. The O2 sensor in Hyundai Elantra monitors the level of oxygen in the engines exhaust gases and reports the data to the control unit that continuously adjusts the air to fuel ratio in the engine to achieve maximum efficiency. It is also possible for the heater to burn out and cause a corresponding fuse to blow out. Service manuals, authorized dealers, or reputable internet pages are some options. These have two cylinder heads, one on each side of the engine, with separate intakes and exhausts. Any information is appreciated. Most modern oxygen sensors have a heating element inside them, which helps achieve running conditions faster. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. This translation tool is for your convenience only. For optimum catalyst operation, the air fuel mixture (air-fuel ratio) must be maintained near the ideal stoichiometric ratio. The same will happen if the sensor fails to react during the rich or lean testing period. You must read the fault codes with an OBD2 scanner. A bad Bank 1 Sensor 2 oxygen sensor (O2) will trigger the check engine light and be replaced to pass the smog/emission test in most states. It measures raw exhaust fumes' composition, and the ECU uses this data to adjust the air-fuel mixture. There are multiple O2 sensors in Hyundai Elantra, how many depends on vehicle configuration and model year. All O2 sensors fail over time since it is a wearing part. Connect the electrical plug of the new sensor. Bank 1 Sensor 2 refers to the oxygen sensor that is mounted after the catalytic converter. All in-line engines have only one bank, although there are some exceptions when it comes to exhaust. The accuracy and accessibility of the resulting translation is not guaranteed. With both engine and catalytic converter warmed up to running temperatures, downstream sensors should show values around 0,45 volts. With the tool connected, turn on the ignition. The Engine Control Module (ECM) adjusts the fuel injection time so that the air-fuel ratio is nearly stoichiometric. Driving your Hyundai Elantra with a bad O2 sensor can cause sluggish and rough acceleration, along with high fuel consumption and emissions. The upside of this configuration is simplicity, thanks to fewer parts and fewer potential failure points. Finding bank 1 sensor 2 can be confusing. The upstream O2 sensor helps in maintaining proper air to fuel ratio in the combustion chambers for maximum fuel efficiency and engine performance. HO2S Heater Control Circuit (Bank 1 Sensor 2), HO2S Heater Control Circuit Low (Bank 1 Sensor 2), HO2S Heater Control Circuit High (Bank 1 Sensor 2), O2 Sensor Signals Swapped Bank 1 Sensor 2/ Bank 2 Sensor 2, O2 Sensor Circuit Malfunction (Bank 1 Sensor 2), O2 Sensor Circuit Low Voltage (Bank 1 Sensor 2), O2 Sensor Circuit High Voltage (Bank 1 Sensor 2), O2 Sensor Circuit Slow Response (Bank 1 Sensor 2), O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 2), O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2). Check the "Possible Causes" listed above. , *** - , : , . Again, after the catalytic converter. Make sure the engine is cold before replacing the sensor to prevent burn injury. Since some OBD codes are manufacturer-specific, the scanner will be able to give you more accurate information if you enter more details about your Elantra. However, they can fail much sooner due to contamination. All you need is a wrench for this replacement job. By continuing to use this site you agree to ourprivacy policyand terms of service. The main purpose of downstream O2 sensor is to ensure that the catalytic converter is functioning properly. A faulty O2 sensor can certainly cause shaking or vibrations in Hyundai Elantra when driving. Being behind the catalytic converter, sensor 2 should give steadier readings. () , : : : , : : . : : : , : , , () . Every bank has an exhaust with two oxygen sensors. 2002 Hyundai Elantra Sensor Location, Need more information on how to fix the P0139 HYUNDAI code? However, more powerful cars usually have an engine that uses a V-shaped configuration, with the number of cylinders ranging from 6 to 12. Visually inspect the related wiring harness and connectors. Screw in the new O2 sensor by hand and tighten it up with a wrench. Is Bank 1 Sensor 2 before or after the catalytic converter? The ECM interprets Lean when the HO2S voltage is below 0.45 V. If the oxygen in the exhaust gas decreases, the air-fuel ratio becomes Rich. View cart for details. On vehicles with two catalytic converters, sensor 1 bank 2 oxygen sensor is typically located on the passenger side, post-cat. The situation is quite simple with most in-line variants, as the whole engine is one bank. They are both behind the catalytic converter, but each on their own side of the engine and exhaust. Thanks. So if your Elantra develops a greater thirst for gas, you should definitely consider checking or replacing O2 sensor, especially if the vehicle has racked up more than 100,000 miles. The engine runs too lean or too rich. The OBDII connector is usually located under the dashboard. The HO2S output voltage changes suddenly in the vicinity of the stoichiometric ratio. If you suspect a problem with O2 sensor in your Elantra, you should act immediately and get it checked by a professional mechanic. The optimal amount of fuel can no longer be calculated which results in either too little or too much fuel injected into the combustion chambers. To help you identify bank 1 sensor 2 on practically any vehicle, we share pictures of various makes and models and answer some of the most common questions. Driving your Elantra with a bad oxygen sensor can damage the engine or the catalytic converter, so you must act urgently to avoid more expensive repairs. Before getting to potential failure points, we must first make a brief explanation about how an oxygen sensor works. The Heated Oxygen Sensor 2 (HO2S), after three way catalyst (manifold), monitors the oxygen level in the exhaust gas on each bank. Although most manufacturers use similar logic when naming the banks in their engines, there is no universal rule. Where do I find Bank 1 Sensor 2 fuse location? Portions of the information contained in this table have been provided by wholecellerusa. No, replacing bank 1 sensor 2 is not difficult if you have the right tools. Apply anti-seize lubricant to the threads of the new sensor. The first one is located between the engine and catalytic converter, and we call it sensor 1 or an upstream sensor. Any fault in this sensor can cause all sorts of performance issues in your Elantra. (), . , : , . Most auto repairs shops charge between $75 and $150 per hour. Refresh your browser window to try again. However, most modern engines incorporate a specific testing interval during which they run rich or lean for a short time. What are the symptoms on your vehicle for the p0139 hyundai code? How popular is this code, among other codes? Even if your vehicle is not showing any signs of trouble, it is recommended to replace the upstream O2 sensor after 100,000 miles for optimal engine performance and fuel efficiency. We participate in the Amazon, Advance Auto Parts, and eBayaffiliate programs. It's Free! The most common signs of bad O2 sensor in Hyundai Elantra are slow acceleration, loss of power, irregular idling, engine hesitation or jerking when accelerating, high fuel consumption, higher tailpipe emissions, foul odor from exhaust, check engine light illuminates, and sometimes stalling. It is important to keep in mind thatYOUCANICwebsite services, content, and products are for informational purposes only. Other possible issues include things usual for all sensors, ranging from damaged wiring to corroded or loose connectors. The major difference is that data that helps ECU determine if the catalytic converter is working properly. Something went wrong. ! 5 Scams and Secrets Your Car Mechanic Doesnt Want You to Know, Vehicle Stuck in Limp Mode | Problems | How to reset, 10 Easy Steps to Change Engine Oil Yourself, Top 5 Sites to Buy Cheap & Discounted Car Parts. . Where is the Bank 1 Sensor 2 on a V6 or V8 engine? No parts for vehicles in selected markets. Because O2 sensors are relatively cheap compared to the price of catalytic converters, which can easily cost you over a thousand dollars to replace. Lets try to summarize all this in a few short words. If you'd like to get the additional items you've selected to qualify for this offer. The purpose of YOUCANIC is not to replace professional vehicle repair, troubleshooting, or diagnostic. , , - , : , Squid Game , . You can also perform a continuity test on the connector of the sensor with a multimeter to check if the heater circuit is broken. RockAuto name, logo and, If you do not have an account but would like to check the status of an order, request a change, or report a problem with an order or shipment, please go to our, Downstream; w/ California Emissions; Bank 1 Sensor 2, Downstream; Exc. The cost of diagnosing the P0139 HYUNDAI code is 1.0 hour of labor. Regardless of the bank, all oxygen sensors use the same naming pattern. Since Hyundai Elantra is equipped with on-board diagnostics (OBD), a fault diagnosis can provide initial indications of where the malfunction is located. Have you replaced any parts? , , , , , , , ! Always seek the advice of an automotive professional if you have a question regarding the operation and safety of your vehicle. ! In such cases, the bank that contains cylinder number one is called "Bank 1.". The most common sign of a bad Bank 1 Sensor 2 is the check engine light coming on. Most four-cylinder modern engines use a setup with two sensors, which increases efficiency and helps them comply with emission standards. Replacing the Rear Heated Oxygen Sensor Bank 1 usually takes care of the problem. Copyright 1995-2022 eBay Inc. All Rights Reserved. . Look under the hood of most cars today, and you will find that most engines come in two different configurations. These values range from near zero to almost 1 volt, depending on the driving conditions. Information published on YOUCANICis accurate and correct to the best of our knowledge; however, there may be omissions, errors, or mistakes. , . The O2 sensor, which is installed after the catalytic converter, is called downstream or sensor 2. The downstream O2 sensor in Elantra is located further down the exhaust system, after the catalytic converter, and is responsible for measuring the level of pollutants passing through the catalytic converter. After finding out about the bank numbers, it is time to analyze the oxygen sensors on the exhaust side. , (), . This procedure assesses the condition of both oxygen sensors and catalytic converters by monitoring their reactions. Please try again later. The first one is between the engine and catalytic converter, and we call it upstream or sensor 1. Home Troubleshooting Hyundai Elantra bad O2 sensor symptoms, causes, and diagnosis. The other one holds the 2nd cylinder, and we refer to it as bank 2. According to EPA, replacing a bad oxygen sensor can improve fuel economy by as much as 40 percent. You will need a car jack, jack stands, oxygen sensor socket, and penetrating oilas O2 sensors tend to rust. As the exhaust gasses pass by it, the difference in oxygen levels between it and outside air creates a certain voltage. , , () / () . Search p0139 hyundai Questions and Answers , 5 Most Common Reasons for Check Engine Light, Rear Heated Oxygen Sensor Bank 1 harness is open or shorted, Rear Heated Oxygen Sensor Bank 1 circuit poor electrical connection, Engine Light ON (or Service Engine Soon Warning Light). You dont necessarily have to visit a workshop to replace oxygen sensor in your Hyundai Elantra. Get AutoCodes.com Chrome Extension. V-shaped engines have two banks, and one with cylinder 1 is what we refer to as bank 1. False or implausible readings coming from any of the sensors may cause rough running or hesitation when speeding up. Is Bank 1 Sensor 2 upstream or downstream? One question we get asked often is: "Where Is Oxygen Bank 1 Sensor 2 located?" In addition to the vehicle make, model, and engine type, you usually also have to type in the Vehicle Identification Number (VIN). One that is between the engine and the catalytic converter is upstream or sensor 1. For example, due to silicates entering the exhaust system after coolant burns in the engine due to a leaky head gasket, or phosphorus from excessive oil consumption due to worn piston rings or valve seals. V6 andV8 engines havetwo banks and two catalytic converters, one for each bank. You see the oxygen sensor from the top of the engine and is mounted before the catalytic converter is bank 1 sensor 1. If cylinder 1 is on the driver's side, bank 1 sensor 2 will be on the driver's side. It will trigger a check engine light in both cases, and there will be a corresponding stored code. To confirm that this part fits your vehicle, please choose a vehicle from the "My Garage" list OR enter your vehicles details below. Although the number of pistons can vary from 4 to 12, four-cylinder units are the most common. California Emissions; Bank 1 Sensor 2, Bank 1 Sensor 1; Upstream; ELANTRA GT Base Model, Upstream; Exc. Downstream Oxygen O2 Sensor 2 for Hyundai Elantra L4-2.0L 2001-2012 3921022620, - eBay Money Back Guarantee - opens in a new window or tab, - eBay Return policy - opens in a new tab or window, - eBay Money Back Guarantee - opens in a new tab or window. If the oxygen sensor goes bad in Elantra, it does not send correct measured values to the engine control unit.

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hyundai elantra bank 1 sensor 2 location