Exponentially increasing https://amzn.to/3eR16hRIf you have an OBDII vehicle (1996 or later), and you have bad catalytic converters or don't have an. threads, almost all the same value ranges. A vehicle's emissions control system is composed of oxygen sensors, and it could be legal to replace the O2 sensor with a dummy one. Jack up the front of your vehicle using the floor jack. I'm not a mechanical kind of dude so I had installed by my shop and paid 60 bucks but the whole project was well worth the money. Do Diesel Engines Have Catalytic Converters? EZ CEL FIX Oxygen Sensor Simulator Your engine's computer uses this data to help figure out the current air/fuel ratio, which allows it to maintain fuel efficiency and emissions standards. If the O2 sensor is stuck, you can use penetrating oil to loosen it. I purchased o2 tune from (removed) but their eliminator was nowhere near able to fit my car. Now, all modern cars feature oxygen sensors. Overwrite the fuel efficiency /after O2 Sensor MIL, CEL is ceased/ as well. Ford F-150 - (Jonathan Weiss / Shutterstock) The most common signs of bad O2 sensor in Ford F-150 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. Limited number of products are available for retail purchase until 06/30/2023. If you need help with your check engine light, there are safer alternatives listed above. If your check engine light is on, one possible cause could be a faulty oxygen sensor. However, sometimes the O2 sensor can get confused and send inaccurate signals to the ECU. Place a jack stand under each of the front pinch welds and lower the vehicle onto the stands. OYEAUTO 2Pcs O2 Oxygen Sensor 15717 15716 Upstream & Downstream Compatible with Ford 1997-2008 F150 Explorer Ranger Truck Mazda Mercury Lincoln. If your check engine light is on, one possible cause could be a faulty oxygen sensor. Bypassing the O2 sensor on a Ford F150 is a straightforward process that can be completed with a few tools and materials. we have always strived to provide the best possible service experience and quality, Advertising - All customers get FREE Shipping on orders over $25 shipped by Amazon. Oxygen sensors are part of the vehicles emissions control system and replacing one with a dummy sensor may or may not be permitted. If you want to remove the first sensor before the catalytic converter, you will need an O2 sensor simulator, which can be found online. Oxygen Sensor Simulator Plug Style: 4-pin round. Heres a few more color combinations that are common in many of todays vehicles, if you dont see your 02 color chart here leave us a message. Allow it to run until it reaches at least 200 degrees Fahrenheit. Oxygen sensor simulator /is designed to do away with O2 sensor related check engine light issues/s have long been the best way to make the engine more efficient, and this new Ford Oxygen sensor bypass is no different. Jiffy Lube Vs. Valvoline Oil Change: Differences & Which Is Better. Summarizing the working theory of this outstanding Oxygen sensor simulator /is designed to do away with O2 sensor related check engine light issues/, Car Truck SUV O2 Sensor Eliminator alters the oxygen sensor signal through the stock Oxygen sensor harness of your Ford. Using the front jack point of the vehicle, jack up the car. The Magnum Ford Oxygen Sensor Simulator is carefully calibrated to mimic the signal from the exhaust air fuel sensor to keep it in the range the ECM is expecting to see. for Toyota Tacoma 4.0 With your voltmeter and back probe, measure the oxygen sensor at a few different points to see if the measurements are faulty. After this date you can buy our upgrades from local distributors and resellers or feel free to check out our You will also see a check engine light on your dashboard. Reviewed by joseph p. (Hope Hull, Alabama, USA), reviewed for 2: Made of Zinc Plated Steel which is durable and have high strength to use. Thanks for everything. 21 of 30 people found this review helpful. Keep in mind that oxygen occupies only 21% of the total air . Finally, turn it counterclockwise using a special oxygen sensor removal tool. Headers or precat gutting requires upstream simulator as well. Add to Cart. Ask Question. Sunday, 9:49 AM. Headers require both up- and downstream Oxygen sensor simulation. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. limited retail offers under Highlights & Update tab. Sunday, 1:54 AM, Shipping took a long time, item arrived finally in good condition, Reviewed by brock g. (London, United Kingdom), reviewed for FORD MUSTANG O2 SENSOR DELETE SIGNAL SIMULATOR CHEAT 96-04 GT COBRA 4.6L 4.6 SVT. Hi your article is a bit confusing which is it, 5 50ohm/12watt resistor is that 1 resistor @ 50ohms or 5 of them ? Thanks. B I G D A D D I E S G A R A G E. O2 SIMULATOR CEL FIX Designed For High Performance Modified Catless Exhausts. You put it in by turning the sensor clockwise, just as if you were replacing it with a new O2 sensor. The sensor sends this information to the engine control unit (ECU), which adjusts the air/fuel mixture to optimize engine performance and reduce emissions. for Chevrolet Motorhome 5.7 V8 Please be aware of the bylaws and regulations, O2 sensor eliminator is not street legal in several US states and countries. Walker Direct Fit Oxygen Sensor - 350-34041. This means that your car will not be able to adjust the air/fuel mixture to compensate for any changes in altitude or weather conditions, and it may cause your car to run poorly or even damage the engine. Tuning for exhaust dosent mean the down stream 02's at the cats have been de-activated unless you asked Justin for it while getting your tune. Install your new dummy sensor, otherwise known as an O2 sensor simulator. If you experience any issues or problems, its best to seek the help of a professional mechanic. Parts & Accessories. In case of a single oxygen sensor or dual pipe exhaust system fitted with two exhaust oxygen sensors only, the oxygen sensor simulator taps to these ports. These procedures can be illegal depending on where you live, so check the laws and rules first. Oxygen sensors are necessary in order to maintain the fuel/air mixture in the cylinders. Automotive; Parts & Accessories; Oxygen Sensor-Direct Fit NGK 25198. If youre a Ford F150 owner, you may have heard of the O2 sensor and the possibility of bypassing it. If you think theres a bad oxygen sensor on your vehicle, you can test it. The upstream sensor controls the fuel management . You must squeeze the tab to release it before pulling it away from its housing. Additionally, you wont want to mess with the oxygen sensor found before the catalytic converter unless you know how to tune the engine. 1996-2023, Amazon.com, Inc. or its affiliates, Select a location to see product availability, Motoforti O2 Oxygen Sensor, Air Fuel Ratio, for Ford Escape 2011-2015, Stainless Steel, Upstream, 17025, Black Gold Tone, OYEAUTO 2Pcs O2 Oxygen Sensor 15717 15716 Upstream & Downstream Compatible with Ford 1997-2008 F150 Explorer Ranger Truck Mazda Mercury Lincoln, 234-4845 O2 Oxygen Sensor Downstream Right Compatible with Volkswagen Passat 2000-2005 2.8L, Alphasense O2-A2 Oxygen Sensor Compatible with BW Technologies Replacement Oxygen Sensor for MSA Orion, Ledaut M18X1.5 Bung and Plug Notched Style Bung and Plug (2 Bungs/ 2 Plugs) Notched Style Fitting Bungs M18X1.5, allsun 12V Automotive Glow Plug Analyzer Vehicle Car Motor Repair Tester LED Diagnostic Tool Auto Measurement Analysis, KAX 234-5107 O2 Sensor Equipment Replacement for 250-25035 Heated O2 Sensor Sensor 1 Upstream 1Pcs, 234-4005 13100 Oxygen O2 Sensor Upstream Compatible with Dodge Ram 1500 2500 3500 Dakota Durango Jeep Cherokee Grand Wangler Plymouth 1995 1996 1997 1998 1999 2000, Oxygen Sensor O2 Sensor Front Rear Upstream Downstream for Ford, Lincoln, Mercury & Mazda - Ranger, Mustang, Expedition, Explorer, Escape, F150, Tribute Compatible with Bosch 15716 15717 15718 15719, Oxygen Sensor Upstream Downstream O2 Sensor | Replacement for Ford F150 F250 Ranger Expedition Explorer Escape, Mazda Tribute, Lincoln & More | Replace# 15717, 15716, 15664, ZZC318861, Lisle 12230 Oxygen Sensor Thread Chaser , Black, BW Technologies-8641936 Honeywell Replacement Oxygen Sensor. EZ CEL Fix O2 Sensor Simulator eliminates either front or post sensor, thus you can remedy the annoying ECM codes. for Chevrolet Pickup Full Size 4.8L This is an important safety precaution to avoid any electrical shock while working on the vehicles electrical system. Backed by an efficient European manufactory producing exclusively for Magnum Tuning, CAR TRUCK SUV ECU PERFORMANCE CHIPS / FUEL SAVERS water4gas, Car - Truck Performance Chips - Oxygen O2 Sensor Simulators, O2 Sensor Eliminator MAGNUM EZ CEL FIX Oxygen Sensor Simulator. The oxygen sensor is located in the exhaust system and monitors the air/fuel mixture. Carefully unplug the wiring attached to the sensor.You must squeeze the tab to release it before pulling it away from its housing. Im not a die harder so I was not concerned with deleting the light but no way to pass emissions without this piggyback. But can you and how do you bypass an oxygen sensor? Without it, the engine will not run properly. While it can affect the performance and emissions of your vehicle, it can also resolve issues caused by a faulty O2 sensor. Tuesday, 4:39 PM, Reviewed by jian (Singapore), reviewed for Don't waste your time or money on the narrow band, they . EZ CEL FIX Oxygen Sensor Simulator Here's how to bypass or trick the O2 sensor into thinking your catalytic converter is working when you have the P0420/P0430 check engine light code. It should change quickly. After that, disconnect the connector and unscrew the old sensor from its position using an O2 sensor socket wrench. 6 of 10 people found this review helpful. While you can bypass an oxygen sensor with the help of a dummy O2 sensor, its not always the best option. What does a dummy O2 sensor do?The oxygen sensor in your vehicle controls the air to fuel ratio. BOSCH 15717 Actual OE Oxygen Sensor; Bosch Engineered Oxygen Sensor Info . Reviewed by d. h., mine inspector Im assuming post/after convertor. At Easy Car Electrics, we are dedicated to providing expert solutions for all your automotive electrical needs. This O2 sensor is responsible for controlling the fuel and air mixture, so the performance of the engine could suffer without it. You want to get your vehicle up in the air, so you have more room to work. At a bare minimum, there is one O2 sensor before the catalytic converter. Quantity: Sold as a pair. Off-road parts from BBK. C $61.26 Free shipping for many products Find many great new & used options and get the best deals for Oxygen Sensor-Walker OE Walker Products 250-24267 at the best online prices at . Save my name, email, and website in this browser for the next time I comment. Step 4: Disconnect the O2 Sensor. Thanks You will need a resistor of ~12 ohms, you can combine resistors to maximize the amount of voltage being bled off. When the air/fuel ratio is "balanced" it is at 14.7 parts of air to 1 part of fuel by weight. Yes, bypassing the O2 sensor can affect your Ford F150s emissions test, as it alters the readings the ECU receives from the O2 sensor. The Magnum Ford Oxygen Sensor Simulator is carefully calibrated to mimic the signal from the exhaust air fuel sensor to keep it in the range the ECM is expecting to see. Magnum EZ CEL Fix Oxygen sensor simulator is available to all cars, trucks and SUV's fitted with 1 up to 4-wire narrowband zirconia exhaust oxygen sensors functioning in the standard 0 up to 1.0 Volt fluctuating voltage range. By following the green wire, you will be able to find the wiring. Sunday, 5:47 PM. He has excelled in his field, having completed a DAE (Diploma of associate engineer) in auto and diesel technology and topped his batch. It delivers the same information to the cars computer, which is then used to adjust the air-fuel mixture. It should be part of the exhaust system, and it resembles a plug. The first step in bypassing the O2 sensor on your Ford F150 is to disconnect the battery. The next step is to connect the new O2 simulator to the wiring harness where the old O2 sensor was connected. You have now wired in your very own 02 sensor bypass! My part arrived really fast without any issue, I'm very happy with my order. If you do throw a CEL, then just buy some 19MM spark plug non-fowlers, drill them out so the rear . The default, limp-home fuel setting of an engine computer unit that receives no signal from the O2 sensor is an overly rich mixture. In such cases, you may need to check the connections or replace the O2 simulator. I imagine a dummy sensor from a Mustang would work, might have to splice the harness instead of using the connector. Disconnect the negative battery cable from the terminal. Motors. Due to high demand for Magnum Upgrades magnumtuning.com has operated as a Wholesale Site since 2022. Unplugging the O2 sensor will disable it and prevent it from sending any signals to the ECU. This ensures that the engine runs smoothly and efficiently. If the catalytic converter is in good condition, this oxygen sensor takes more time to change its voltage than the #1 sensor placed before the catalytic . An O2 sensor, also known as a Lambda sensor, is a component in your Ford F150s exhaust system that measures the amount of oxygen in the exhaust gases. Save my name, email, and website in this browser for the next time I comment. These two heater wires flow about 1 amp of current, so you will need to account for at least 12 watts of current. In most cases, they must be reset after being installed. When an O2 (oxygen) sensor go bad, it'll cause your Ford F150 's engine to run less efficiently. In this blog post, well take a deep dive into the O2 sensor, why you may want to bypass it, and how to do so. Find the O2 sensor that needs to be removed. Strip the two oxygen heater wires and solder the resistors inline between the two wires, test this unit now by taping everything safely and putting your key to the ON position. EZ CEL FIX Oxygen Sensor Simulator The oxygen sensors are a vital part of measuring the amount of oxygen in the gas. Based on this information, the computer can make adjustments to the air/fuel mixture to ensure optimal performance and . A dummy O2 sensor is a fake oxygen sensor that is inserted into the exhaust system to fool the engine computer into thinking that the oxygen levels in the exhaust are normal. Is that 12 watts not 12 ohms..? O2 sensors are all basically the same, heated and non-heated, 18 mm. Turn off the engine temporarily while you set up the connectors. Monday, 10:04 AM. for Mercedes CLK55 AMG 5.5L Removing this one doesnt change how the car runs; it just keeps you from knowing when the car is working as it should. Reviewed by Galen Q. Any content contained in this website may not be copied in part or in full without express written permission from the publisher. Dummy O2 sensors are typically placed in areas where there is a lot of activity or where there is a potential for fire or explosion. Company wanted me to buy another chip to make this work good. After this date you can buy our upgrades from local distributors and resellers or feel free to check out our this should work on 99 to present and is 100% revesable. Welcome to Ford Ranger Forum Thread Tools: Search this Thread #1 12-13-2010, 02:29 PM CLJ99ranger. A dummy O2 sensor is a fake sensor that is not used to measure oxygen levels but instead is used as a placebo to help calibrate the oxygen sensors that are actually in use so that the actual sensor can be replaced without having to remove the entire exhaust system. The 02 simulator we are putting together today best simulates a 4 wire oxygen sensor, and usually gets you in the right range for your check engine light to go off. In some cases, you may want to bypass the O2 sensor. Often enough, the only sign of the problem at all is the service engine soon light being on. This means that it can no longer monitor for proper emissions after this point and your engine will run a rich fuel mixture, so fuel economy will drop. May or m. The only way to bypass an oxygen sensor (also known as an O2 sensor) is to run a dummy on its output. If your check engine light came on and the code is for a bad O2 sensor, you may not want to pay thousands of dollars to fix it. If everything is working as it should, you have successfully bypassed the O2 sensor on your Ford F150. Limited number of products are available for retail purchase until 06/30/2023. C $118.2. Will Bad O2 Sensor Cause Car To Shut Off Read This. In most cases, they must be reset after being installed. The oxygen sensor in your vehicle controls the air to fuel ratio. - I want to cut out my cats, but then im stuck with the problem of having 2 oxy sensors doing nothing but flopping around. (Papanui, New Zealand), reviewed for Start the vehicle and check the voltmeters reading. Can You Drive Without A Catalytic Converter? Please register or login to enable Dark Mode. Its best to wait for a few minutes after disconnecting the battery to ensure that theres no residual electrical charge in the system. EZ CEL FIX Oxygen Sensor Simulator If theres wear and tear, you want to replace the sensor. question about tracking numbers or wiring instructions for a tuner. When check the engine light is triggered, the engine runs in ECU safe / limp mode, which results in sluggish acceleration and spoiled fuel mileage. Put a new grommet in the hole in the floor to keep the water out. Check Engine Light Eliminator. Drop me a line if you have any questions! EZ CEL FIX Oxygen Sensor Simulator A popular modification is to decat the exhaust or install an aftermarket header, to unleash the power capability. If youre unsure if your Ford F150 has a faulty O2 sensor, you can check for symptoms such as a decrease in fuel efficiency, increased emissions, and a check engine light. Don't hesitate to get instant answer to your question. An O2 Sensor Simulator instructs the computer on appropriate wavelengths. I did it on my 94 F-150 5.0L, Ijust want something louder on my truck(2000 F-150,5.4L). Shown above is a standard 4 wire Bosch connector, which shows you the color combinations and their usage for each pin. Hi there Sam, you are correct. Dummy O2 sensor replaces the original and always sends . Put jack stands under the frame towards the front of the vehicle. Plug in the MIL eliminator to the corresponding connectors. Sorry Rick, my wording could use some improvement. The engine should run smoothly without any issues. The ECU then adjusts the amount of fuel being injected into the engine. Get rush and install our oxygen sensor emulator on your Ford. O2 sensor failure or unplugged status will result in the engine being operational in open loop mode, so it might run rich, and mileage will decrease if there are no further issues with the sensor. You are ready to start the car and see if the Check Engine Light has gone off. for Toyota Lexcen 3.8L Reviewed by G. T. (Turku, Finnland), reviewed for Archive - Oxygen sensor simulator is a racing part. 16 of 32 people found this review helpful. upstreamair fuel sensor has to work flawlessly. EZ CEL Fix oxygen sensor simulator is made to prevent the engine management warning light from illuminating and to prevent an Electronic Engine Management code from tripping when the catalyst converter is gutted or a header installed. O2 sensors work by measuring the amount of oxygen in the air. The best way around it is running a tuner, which leaves the sensors untouched and working, but just ignores them. Magnum upgrades are not imported from Far East and ship from our US 3PL shipper. It would help if y'all had a dummy oxygen sensor when removing your catalytic converter, which is illegal. for those who want to run "catless" this is what needs to be done to keep that pesky Check engine light off. You can connect the back probe to the signal wire and connect the voltmeters positive lead to the back probe. Alphasense O2-A2 Oxygen Sensor Compatible with BW Technologies Replacement Oxygen Sensor for MSA Orion. To test the O2 sensor, you must first find the wires that run to it. If the voltage now rises above 0.7 to 0.9, and you can change it at will by changing the extra fuel, the O2 sensor is usually good. A dummy one sends the cars computer the proper information that a normal one would send if it were reading correctly. They stop the O2 sensors from triggering the check engine light. Purchase an exhaust oxygen sensor from trusted brands online at JEGS High Performance! This electronic sensor measures how much oxygen is in gas. Dont forget to follow our YouTube channel! I figure one more gutted cat won't hurt nothing. The computer only needs a reading of 50 ohms from the o2 sensor to keep the 'check engine ' light off.So a resistor can replace the o2 sensor to bypass the cat converter.it has worked for me . 24 of 34 people found this review helpful. for Hyundai i30 1.6L For those that own a Ford Car Truck SUV, O2 Sensor Eliminator can coax even more engine power /because O2 sensor eliminator is designed to cure O2 sensor related MIL, CEL error codes resulted by modified or aftermarket exhaust and headers/ and HP /while sorting out of MIL, CEL trouble codes/ from the engine. $49.11. 31 of 33 people found this review helpful. 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O2 sensor pigtail is not easily accessible on my mercedes so I figure to tap onto the ECU harness despite magna guys didnt recommend. Tuesday, 4:16 AM. The only way to bypass an oxygen sensor (also known as an O2 sensor) is to run a dummy on its output. Ford Injection Pump Sprocket Locking Tool. You wil definatly get more sound by gutting your cats, where abouts did you get your mil eliminators. The oxygen sensor on a cars exhaust is used to determine how efficiently the fuel mixture is to an engine. It was created from High-Temperature Cofired Ceramic (HTCC), making it more efficient. Sep 27, 2007. You just have to swap the defective sensor with a dummy. EZ CEL FIX Oxygen Sensor Simulator Discover more about the small businesses partnering with Amazon and Amazons commitment to empowering them. 2. A dummy O2 sensor is a fake one that does readings like a normal one. . Slow signal of precat oxygen sensor may prevent the aftercat oxygen sensor emulator from working. EZ CEL FIX Oxygen Sensor Simulator Youll also need a few tools and materials, including. You are right its 1 resistor @ 50ohms. The oxygen sensor is responsible for monitoring the amount of unburned oxygen in the exhaust as it exits the vehicle. I am thinking about gutting my cats on 2000 F-150, I know they make a dummy O2 sensor for the mustangs, is there one out for a F-150, or will the one for the stangs work on my truck. A dummy one sends the cars computer the proper information that a You may find it in the catalytic converter or before and after it, run by two separate sensors. Today well be showing you how to wire your own secondary 02 sensor bypass, a unit that will send electronic signals to your ECU / PCM. 1,137 sold. interest toward our mods necessitated changes in our business model. Get rush and install our oxygen sensor emulator on your Ford. Or, it may exhibit none at all. What Happens If You Drive Without O2 Sensor? 2002 SVT Focus: #3279 of 4288. Reviewed by Lena K., ASE certified car technician There are only disadvantages. This can cause the engine to run poorly. Sunday, 6:08 AM. It has a profound impact on the performance of the vehicle and alerts you to trouble with emissions. Feb . How Many Oxygen Sensors Does A Car Have: Quickly Find Out, Temporary Fix For Bad O2 Sensor (4 Steps): A Practical Guide Oxygen Sensor Repair Guide, Fear! ? Dummy oxygen sensors are used on vehicles that do not require O2 sensors for emissions control. This could be due to a faulty O2 sensor that is causing your Ford F150 to run poorly or fail emissions tests. A dummy one delivers the same information to the cars computer as a real one would if it were reading correctly. Then disconnect the rear O2 sensor pigtail from the main wiring harness. O2 Simulator Mini Cat, Angled, Straight Cel Fix, Big Daddies Garage stainless steel Oxygen Sensor Simulator is used to clear p0420 / p0430 codes for bad or missing catalytic converters. Buy aftermarket O2 sensors and fittings for high performance vehicle exhausts. It will however light up the check light on your dashboard and to get rid of it, you will either need to install an O2 sensor simulator or reprogram the ECM. for BMW 325Xi 3.0L With minimum efforts you can remedy the ECM safe / limp mode all on your own, as long as you are mechanical and electrical minded. I started Fordmasterx as an effort to combine my two passions writing and car ownership into one website. Highest quality on the market, I'm very pleased. Modifying your catalytic converter is illegal in many states, for more information check our legal exhaust primer. The cats really don't hurt performance much, the engines cam, timing, and fuel curve is all designed around them being present, and real world tests and studies have shown that the difference between running stock cats and no cats can be as little as a 5 hp increase at its peak, which would only be noticed at high RPM, if you can even tell. Connect the wiring to the sensor and lower the vehicle back down to the ground. C $118.2 Find many great new & used options and get the best deals for Oxygen Sensor-Direct Fit NGK 25198 at the best online prices at Free shipping for many products. Learn how your comment data is processed. I have a 96 Z71 and had removed the converters it did throw a code but in addition to throwing a code it also screwed up my fuel economy. O2 sensors are all basically the same, heated and non-heated, 18 mm. Use the wrench to loosen the O2 sensor and remove it from the exhaust pipe. Reconnect everything and turn on your ignition to test things out if all goes well, your check engine light should now be off! DDS S+4OX Oxygen Sensor (O2) DDScientific. In conclusion, a dummy O2 sensor is a simple way to fake out an oxygen sensor. Sep 27, 2007. Specific connectors would make the hook up far more easy but everythnig is fine and dandy as it was suppose to. If the output is less than 95% it throws the P0420 code. Its responsible for sending data about the oxygen levels back to the engine computer where adjustments can be made. Oxygen Sensor-Walker OE Walker Products 250-24267. . If theres something wrong with the oxygen sensor, the Check Engine Light is sure to come on, which can be annoying. Oxygen Sensor Upstream Downstream O2 Sensor 2Pcs | Replacement for Ford F150 F250 Ranger Expedition Explorer Escape, Mazda Tribute, Lincoln & More | Replace# 15717, 15716, 15664, ZZC318861. Wednesday, 3:03 PM, Reviewed by Wilfredo Y. 15 of 19 people found this review helpful. The average gains are more considerable than you would think, please read the detailed claims of your authentic Magnum Oxygen sensor bypass above. Bypassing the downstream oxygen sensor is the most common way to get rid of the P0420 code. 1997 - 2003 Ford F150 - Dummy o2 Sensors? Step 5: Take a piece of wire and strip both ends.