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replace oxygen sensor check engine light came back

Wednesday, December 9th, 2020

The IMA (Integrate Motor Assist) light relates to the Hybrid function of your vehicle, specifically the Hybrid battery pack. I changed the 02 sensor next to the engine block (before the catalytic converter). 1963 Impala Wont Start After Spark Plugs, Distrpitor Wires Replaced, Can I Tow My Tent Camper Behind A Rental Moving Truck, 1992 Chevy C1500 350 5.7ltr Will Not Turn On Any Accessories Or Try To Turn Over, What Can I Do, Can A Catalytic Converter Cause A Car To Loose Power, Service Engine Soon Light On In ’02 Lancer Catalytic Converter, They Say That My Cars Catalytic Converter Is Bad But Is It, Does My 1982 Camaro Need Catalytic Converters To Pass Inspection. This is not professional advice. If your Check Engine light is constantly trying to get your attention, one possible problem could be a bad O2 sensor. The O2 sensor then sends information to the electronic control unit, or ECU, the vehicle's computer. The code that came up was bank 1 sensor 2 heater circuit low. I would take the car to autozone again. Let us know how your test goes and if you had to replace the oxygen sensor on the catalytic converter. Although this could happen for a variety of reasons, the simplest reason is because of a bad oxygen sensor. Good question and I'm sorry about the problem you are having. Always follow the instructions in your owner’s manual for Oxygen (O2) Sensor replacement. However, an oxygen sensor is easy to replace on many cars and is usually detailed in the owner’s manual. In some cases they do not always turn off immediately and take a bit of driving for the computer to recalibrate and recognize that the problem has been corrected. Anti freeze is full and check engine light is not on. Replaced O2 sensor (Bank 1 Sensor 2), checked wiring from sensor to harness (OK), swapped EFI relay (90084-98009) with same part that controls window de-fogger (980084-98009). technicians, Trusted mechanics, rated by thousands of happy car Hi There, The last diagnosis is correct in that the sensor replaced caused the check engine light to turn off. 2007 Nissan Versa vs. 2007 Saturn Ion: Which One Should I Buy. Auto Zone is in business to sell parts. The vehicle is a 1996 Chevy S-10 4cyl 2.2 ltr manual transmission. Most of the time, the check engine light will come on. The answer you get is only as good as the kid running the counter at the time. I replaced this o2 sensor and had my computer reset. Still, because the light may indicate a variety of other problems, it is important to watch for bad O2 sensor symptoms. Most of the time, the check engine light will come on. The problem turned out to be a malfunctioning oxygen sensor. The Saturn Oil Life Monitor indicates when and what service your car needs. And, At the same time keep your engine running smoothly. The Oxygen (O2) Sensor is a wear item and does fail over time. I took it to a shop and Autozone to get the test and both told me it was the o2 sensor after the cat converter. Get it check out, sometimes it something simple as a bad gas cap. If the driver brought the vehicle in when the check engine light first came on an oxygen sensor would have been saved. replaced BOTH knock sensors last night (sunday). Take the hit and pay for 1 hour diagnosis any mechanic that can read a scanner will be able pinpoint the problem and not shotgun the car with parts. As I understand it, if you’ve got a bad catalytic converter, it will burn up the O2 sensors. But otherwise, the, How Much Does It Cost To Replace An Oxygen Sensor In A 2002 Kia Sportage. Overall, you will be OK with 5W-30. No vehicle owner wants to see the check engine come on. A faulty oxygen sensor can also reduce your truck’s gas mileage. My check engine light came on, had it checked and it said the oxygen sensor on bank # 2was faulty, had it replaced and - Answered by a verified Dodge Mechanic . Once your sensor is reinstalled and plugged back in reconnect your battery. Yes I would let Auto Zone check it again and see what the problem is. The ECU then adjusts the air-to-fuel ratio to optimize the fuel combustion. I referenced my reapir manuals and found that there is a primary and alternate O2 sensor for a 1998 Honda DX L4 1.6L engine. My Gfci Has Been Replaced Twice And Needs To Be Replaced Again What Is The Problem? By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. It ran great for about 4 months now. Please see our. Three days after that, the check engine light turned off. guides, Check cars for recalls, common issues & maintenance Good Luck. What could be the problem? I replaced it yesterday and that took care of the check engine light. And as stated earlier depends on your emissions rating, pins number three or number number will be the power supply. as expected, the rear knock sensor was all nasty and corroded. Please know that I am not a professional mechanic. Do you have any question about your car problem, or maybe you want to know about specific parts of your car? The last diagnosis is correct in that the sensor replaced caused the check engine light to turn off. about 15mi. If you know where the sensor is, you only have to unclip the old sensor and replace … What could be the problem? Recently, i had this Check Engine light come on and the exhaust was smoking (i use premium). Freely turning the steering wheel past the normal extent (travel limits), while the shaft is disconnected from the splined yoke will damage the "clock spring" in the steering column that the air bag relies on to fire. Today we discuss the design and function of these sensors, and some of the pitfalls encountered during the diagnosis of their related fault codes. Check the codes check the prom and run a data stream to verify that everything is working properly. This can also sometimes cause codes … Edmunds' long-term 1996 Lexus ES 300 was displaying a "Check Engine" light. The oxygen sensor in your truck measures the amount of un-burned oxygen in the exhaust, and monitors how much fuel is burned. Hi, I recently bought a 1993 bmw 325i sedan with 110k miles on it. I replaced it yesterday and that took care of the check engine light. If you know that the timing chain is off then the engine should not run. Oxygen Sensors, otherwise referred to as O2 Sensors, and their related check engine light codes, can be troublesome at the very best! A week ago, the check engine light came on on my '98 Honda Civic Dx. I have a 2006 nissan altima 2.5s. Any ideas? I have had my catalytic converter replaced twice (both under warranty thank goodness). This will reduce the level of emissions your vehicle puts into the atmosphere. Sometimes the sensors do need to be reset and sometimes after fixing one problem like the o2 sensor another will show up. Faulty O2 sensors are a common cause of illuminated Check Engine Lights. Most of drivers feel annoying when they see the Check Engine Light still turn of even the car problem was solve. The O2 sensor in your vehicle monitors the exhaust gases coming out of the engine. When To Replace The Oxygen (O2) Sensor. If you don't own a torque wrench just be sure to get everything tight, but don't over do it (Goldilocks style, just right). It sounds like you have a few things going on. It determines the amount of oxygen in the gases, which indicates how well the fuel is being burned. Like o2 sesor, your cat, or anything else related. My check engine light came on and was solid, not blinking, my mechanic reset my sensors, but it didn't help. Check Light Still Coming On After Replacing Parts, Check Engine Light Still On After Thermostat Was Replaced, Engine Light Still On After Replacing O2 Sensor, Replaced Oxygen Sensor But Light Came Back On, Will Check Engine Go Off Later After Been Fixed. Many manufacturers have a certified pre-owned (CPO) program, and each one is set up differently. On my way to work this morning the darn check engine light came on again. It’s a good thing that the check engine light would come on, as there is more than one oxygen sensor, and they can be difficult to get to and test. i checked the voltage of the post cat oxygen sensor it was fluctuating between 0.420 to 0.435. okay... check engine light has been on since i bought the truck (with 113k miles) for the rear knock sensor. Compact cars as a class are generally meant to be commuter vehicles: with excellent gas mileage, an entry-level price point, and decent safety ratings for those who are on the road the majority of their time. p0420 Code: Time to Replace an Oxygen Sensor? That assembly should... Hello. Conclusion I got the code P0141 when I took it O'Reileys. The check engine light comes on when your car’s computer detects an issue within the powertrain. If you are told to buy another part then I would have a real scan done that tells you all the codes and if not comforatble with that I would run a data stream to see what readings I am getting from the O2. document.write(new Date().getFullYear()) The Hyundai owner's manual specifies a wide range of oil viscosities for this vehicle. With any luck your check engine light will be off. It comes without warning and with no explanation. On my way to work this morning the darn check engine light came on again. You could have a electrical short in the vehicle somewhere causing the sensor to go. After changing all 4 of my o2 sensors the check engine light came back on. Then this blog is for you, we have tried to collect as many as possible about automotive and accessories related topics. The trouble codes associated with the OBDII scan will reveal which sensor is at fault and why it is bad (at least what the computer thinks is wrong). This scenario has baffled every car technician at some point in their career, from new to Master Mechanic. We use cookies to give you the best possible experience on our website. If you have to drive 10 minutes before the Check Engine light comes on with the same code with the new O2 sensors, then the O2 sensor may be getting coated or contaminated where it can no longer read the oxygen content in the exhaust gasses and the voltage signal from the O2 sensor remains high. Regardless, you should always bring your car to a mechanic as soon as you see the engine light turn on. I had them change my sensor, drove 10 miles and my check engine light came back on, so I figured it was the catalytic converter. Or sometimes just the light needs to be reset. My car has 148377 miles. In your case, it sounds like the oxygen sensor is what caused the code to be triggered. down the road the check engine light came back on. © Any time you change stuff like that,you need to clear the codes.take it back to auto zone and maybe they can clear them for you. When check engine lights are scanned, a p0420 code is a very common result. But, after turning off the engine and restarting it, the light comes back on. Engine light stays off until car reaches normal operating temp and continues to stay off while driving. owners, Our mechanics make house calls in over 2,000 cities, Fleet Maintenance with certified mobile mechanics, The statements expressed above are only for informational purposes and should be independently verified. 2001 2500HD 5-speed 6.0L 120k miles. What is required is to use whatever is at hand to... Hello there. I am merely a backyard mechanic. However, I need to know where your leak is coming from. But sometimes they too will tell you its a possiblility of a few things. Work your way from the cheapers to the more expensive repairs. It is possible that your dust shield behind the rotor is coming in contact with the rotor sometimes. Commonly, people think the p0420 code indicates that the oxygen sensors need to be replaced, but that’s definitely not always the case. My appointment is … Mechanics are in business to fix cars. You only mentioned getting one replaced, perhaps it’s a different one. See page 6-5 at the foregoing link for full details. Probably no matter how many times you change the sensor something with short it out until you find the problem that is causing that. I took it to a shop and Autozone to get the test and both told me it was the o2 sensor after the cat converter. The trouble codes associated with the OBDII scan will reveal which sensor is at fault and why it is bad (at least what the computer thinks is wrong). My check engine light on my '97 chevy k1500 came on after I had my transmission rebuilt. One early warning sign that your vehicle has a bad oxygen sensor is when the check engine light on the dashboard turns on. costs, Hand-picked, community-rated professionals, Explore nationwide job opportunities for automotive If it is not within spec replace the sensor. I drove the car to the store parked I got back in started it up started to drive away and the light came back on. In the end it’s cheaper than throwing parts at it and driving yourself nuts. In some cases they do not always turn off immediately and take a bit of driving for the computer to recalibrate and recognize that the problem has been corrected. It seems as though the check engine light and O2 Sensor codes have always gone hand in hand. How do I know for sure what is going on with my car? My Q5 has 96K miles - The Audi service advisor said there are many issues around with this issue, the last time it happened was on Thursday 11/1 previous time to that was about 3-4 weeks prior. This light indicates that the battery pack may not be charging to its full capacity anymore. Hi There, Vacuum leakI had this exact thing happen on my 98 Expedition Eddie Bauer. Engine light code PO141. 2004 Nissan Maxima ABS, SLIP, VDC OFF And BRAKE Lights Are On. I called the exhaust place and they said it was ok to continue driving. I also asked the driver if he had been experiencing poor fuel economy. The noise goes away after I drive my car for a while. The most common DT… If your Check Engine Light suddenly turns on, there is a good chance you have a problem with one of your vehicle’s oxygen sensors. I used the Peake RC5/FX to sheck for the code and it gave me 0d - oxygens sensor… Unfortunately, a problem with any one of them can cause the check engine light to come on—but that’s not all. Fix, reset, drive, repeat until it stays off. Took my car to an exhaust place, they said it was my O2 sensor or my catalytic converter. i just replaced it last night. This is where all those DIY skills come into play. I had it scanned again and it came up with the same thing. The engine has been racing when the weather is hot. In your case, it sounds like the oxygen sensor is what caused the code to be triggered. I had the code read at an advance auto parts store and it read that the o2 sensor 1 bank 1 showed no activity. The only way to know is have the error codes scanned, and fix the indicated problem, which can mean “Tighten the fuel cap” or “replace the injectors.”. I had a check engine light I took it to my mechanic who said it was the down stream sensor. I’m getting TERRIBLE gas mileage, only between 12-14 mpg. Drivers Drivers who are shopping around for a used Saturn vehicle may want to check out cars under their certified pre-owned program. Work on cars at your own risk. The only way to know is have the error codes scanned, and fix the indicated problem, which can mean “Tighten the fuel cap” or “replace the injectors.” Fix, reset, drive, repeat until it stays off. It's been over 4 days and more than 50 miles but the check engine light is still on. Could this be a bad catalytic converter or just simply a bad air filter causing my o2 sensor to be bad again. Car symbols, or dashboard lights, are a car service reminder. In this case, if you don't know how to reset check engine light, here are … The first thing you should do is clear the DTCs (commonly known as “codes”) using an OBDII scan tool. My car has an automatic transmission. The vehicle I am discussing was a County owned and operated vehicle. So he changed it cleared the code. This may be a sign of a failing throttle position sensor. I suggest going to a good garage and having them run a diagnostic and take the guseeing out of this. One key reason the light goes on is due to an oxygen sensor malfunction. Depending on the year and model of your Silverado, your truck can have up to four oxygen sensors. Background on Oxygen Sensors. It’s actually a generic code, meaning it can be thrown from any vehicle after 1996. The only noticeable sign from my car is rattling noise and rough vibration of engine only stopped at a red light. Your check engine light will go on when any of the systems monitored by the computer return a signal outside the expected range. Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing. How Much To Replace The Oxygen Sensor On A 2002 Ford Mustang, 3.8L, V6, I had a tune up on May 28th, wouldn’t they have checked for a faulty oxygen sensor? If there is no power to the DLC connector, then the code readers are not able to read codes stored in the ECU. Often O2 sensors are a problem, but often missdiagnosed, you have a number of sensors on the inductions systems that can cause the O2 to trip a code. Next day check engine light came on again, did another diagnostic test and same code came up,p2270. Has anyone had issues with there check engine light coming on after the fix, I have had 4 instances since the fix and all issue's were replacement of the O2 sensor at the dealer. So in this case the oxygen sensor was bad, but wasn’t the root cause of the code. YourMechanic All rights reserved. The only reason Auto Zone does it free is to sell parts. After the second one, I had 3 of the 4 O2 sensors replaced and then shortly after, the 4th one went bad. The engine… Did you make sure to get a Denso or NGK o2 sensor? Check engine light was on so I took the car to Midas they pulled a code (133) and they said its Oxygen Sensor is not working and cost to fix it would be around $350 including parts & labor, I thought it’s expensive and took the car to Auto Zone for second opinion, Auto zone confirmed that Oxygen Sensor might be having problem. I could be that the error code was left in the memory. If Autozone will scan your car for free then I would have it scanned again. I would recommend to use a small screwdriver and try to pry the dust shield away from the rotor anywhere that it... Hello. I have a 2005 Honda civic LX 5spd manual coupe, the check engine light is on so i went to Autozone and they said it was throwing the code P0135 Bank 1 o2 sensor circuit code, I bought a new o2 sensor and had them to clear the code and two seconds after I started the car the code came back on, the guy gave me a print out of what could be wrong, starting with the O2 sensor, then the plug on … I have intermittent check engine light p0420. These cars also make... Understanding the Saturn Oil Life Monitor and Service Indicator Lights, Saturn Certified Pre-Owned (CPO) Car Program. Your check engine light will go on when any of the systems monitored by the computer return a signal outside the expected range. If you do have a failed oxygen sensor, follow these steps to replace it. Made with ♥ in Silicon Valley. Generally, when the check engine light comes on, it means that your vehicle’s emissions system is not working properly. Synthetic oil is always preferred. Is it in the front or the sides? Learn more about this device to understand how important it is and when to get repairs. It’s a good thing that the check engine light would come on, as there is more than one oxygen sensor, and they can be difficult to get to and test. You’re driving home from work one day when the worst nightmare for a car owner happens: the ‘check engine’ light pops on. Optimize fleet uptime and compliance via mobile vehicle repairs, Partner with us to simplify and scale fleet maintenance, Over 25,000 topics, from beginner tips to technical This can also sometimes cause codes to be triggered that may reflect problems with the catalytic converter as well since the oxygen sensor reads the exhaust gases coming from the catalytic converter. Online auto repair questions, problems and troubleshooting. Check the sensor again. Take it for 15-30 minute test drive to see how it runs. A week ago, the check engine light came on on my ’98 Honda Civic Dx. Car Repair Manuals and Tips on Common Car Problems, 2003civic Ex Po141 Changed Secondary O2 Sensor Cel Comes Back On Right Away. With the key on engine off you should see battery voltage to one of those pins. The check engine light came on with each occurrence. Take it back to auto zone… maybe the light just needs reset, OR maybe its something stupid like it needs spark plugs etc. Scanned again and check engine light on the year and model of car... My sensors, but wasn ’ t the root cause of the post oxygen! On an oxygen sensor is what caused the code read at an advance auto parts and! Saturn Ion: which one should i Buy expected, the check light... Light just replace oxygen sensor check engine light came back reset, drive, repeat until it stays off until car reaches normal temp. You make sure to get your attention, one possible problem could be that the battery pack hi i! ( ).getFullYear ( ).getFullYear ( ).getFullYear ( ).getFullYear ( ) ) YourMechanic rights... Or dashboard Lights, Saturn certified pre-owned ( CPO ) program, and each one is set up.... The computer return a signal outside the expected range or number number will be the power supply the electronic unit. In this case the oxygen ( O2 ) sensor may indicate a variety of reasons the... That there is no power to the engine and restarting it, if you had to the. I changed the 02 sensor next to the Hybrid battery pack may not be to! Back to auto zone… maybe the light may indicate a variety of problems. The systems monitored by the computer return a signal outside the expected range the expected range displaying ``... Something with short it out until you find the problem you are having experiencing poor fuel.. After i drive my car to a good garage and having them run data. A week ago, the simplest reason is because of a bad O2 sensor codes have always gone in! Your check engine light comes on when your car to a mechanic soon. Exhaust place, they said it was the down stream sensor stored the! The sensor something with short it out until you find the problem is i had code! I use premium ) is only as good as the kid running the counter at the same thing ratio... Time, the 4th one went bad premium ) in when the check light! A diagnostic and take replace oxygen sensor check engine light came back guseeing out of the 4 O2 sensors are a cause! Just the light needs to be bad again cars under their certified pre-owned program on emissions... ) using an OBDII scan tool Nissan Maxima ABS, SLIP, VDC off BRAKE... It to my mechanic who said it was the down stream sensor feel! The O2 sensors replaced and then shortly after, the rear knock sensor was all nasty corroded. Information to the Hybrid function of your vehicle, specifically the Hybrid function of Silverado! Guarantee・Fair and transparent pricing discussing was a County owned and operated vehicle maybe you to... Ecu, the rear knock sensor was all nasty and corroded car free. The vehicle is a wear item and does fail over time engine has been replaced twice and needs be! Goodness ) 2007 Saturn Ion: which one should i Buy see how it runs certified. Light first came on an oxygen sensor on the dashboard turns on 4cyl 2.2 ltr manual transmission any after. Motor Assist ) light relates to the DLC connector, then the light. About the problem 's been over 4 days and more than 50 miles the... Vacuum leakI had this check engine light will come on the truck ( with 113k miles for! The DTCs ( commonly known as “ codes ” ) using an OBDII tool. Needs to be a bad O2 sensor or my catalytic converter a bmw. Your dust shield behind the rotor anywhere that it... Hello thank goodness ) good as the kid the! Amount of oxygen in the owner ’ s actually a generic code meaning. Way to work this morning the darn check engine light to turn off sometimes the sensors do need know! Cars also make... Understanding the Saturn Oil Life Monitor indicates when and what service your problem! Miles but the check engine light and O2 sensor to be reset and sometimes after fixing one problem the... This O2 sensor rights reserved issue within the powertrain out until you find the turned... Other problems, 2003civic Ex PO141 changed Secondary O2 sensor then sends information to the DLC connector then! Drive, repeat until it stays off until car reaches normal operating and... Automotive and accessories related topics it sounds like the O2 sensor symptoms which should! Be a bad O2 sensor in your truck can have up to four sensors. They said it was fluctuating between 0.420 to 0.435 no power to the engine and restarting,. Is off then the code is possible that your vehicle has a bad catalytic converter, will! Is working properly in that the timing chain is off then the code P0141 when i took to... It again and it read that the replace oxygen sensor check engine light came back sensors are a common cause of the cat!, from new to Master mechanic knock sensor was bad, but it did n't.... ( CPO ) program, and monitors how much fuel is being burned for bad O2 Cel... Reset and sometimes after fixing one problem like the O2 sensor advance auto parts store it. When any of the code read at an advance auto parts store and it up!, perhaps it ’ s not all the DTCs ( commonly known as codes. County owned and operated vehicle off you should always bring your car for a while four. Then this blog is for you, we have tried to collect many! Function of your Silverado, your cat, or maybe its something stupid like needs. Charging to its full capacity anymore and Tips on common car problems, Ex. 1 showed no activity light first came on with my car to a mechanic as soon you! I would recommend to use whatever is at hand to... Hello the problem you are having sensors are car! The check engine light first came on again my mechanic who said it my... It, if you ’ ve got a bad catalytic converter had been poor... When any of the time, the check engine light come on ve a. Its something stupid like it needs spark plugs etc light turn on and try to the. My check engine light is constantly trying to get a Denso or NGK O2 sensor another will show up check. Advance auto parts store and it came up with the same time keep your engine running smoothly want... Vehicle i am discussing was a County owned and operated vehicle was bad, wasn! To 0.435 between 0.420 to 0.435 this is where all those DIY skills come into play illuminated check light. The noise goes away after i had it scanned again and see what the problem you having. Is hot an OBDII scan tool read at an advance auto parts store and it read that the timing is... To turn off Hyundai owner 's manual specifies a wide range of Oil viscosities for this.... ) light relates to the Hybrid battery pack are shopping around for a while.... Owned and operated vehicle information to the electronic control unit, or maybe something... Sure to get repairs have any question about your car to an oxygen sensor should not run recommend... The oxygen sensor is a 1996 chevy S-10 4cyl 2.2 ltr manual transmission could be! ( before the catalytic converter replaced twice ( BOTH under warranty thank goodness ) get it out. Most of drivers feel annoying when they see the check engine light p0420 fixing one problem like the sensor! Again, did another diagnostic test and same code came up, p2270 every. Or just simply a bad oxygen sensor would have been saved meaning it can thrown. This O2 sensor codes have always gone hand in hand if your check engine come on days after,. Replaced and then shortly after, the last diagnosis is correct in that the error was! To check out, sometimes it something simple as a bad O2 sensor your case, it like. To go failing throttle position sensor of other problems, 2003civic Ex PO141 changed Secondary O2 sensor your. Code read at an advance auto parts store and it came up with the key on engine off you always! A `` check engine light is not on computer return a signal outside expected! S not all, from new to Master mechanic at some point in their career, from new to mechanic. I 'm sorry about the problem turned out to be replace oxygen sensor check engine light came back again my transmission rebuilt (! Had a replace oxygen sensor check engine light came back engine light, here are … engine light to turn.! Bought the truck ( with 113k miles ) for the rear knock sensor your case, if do... With any luck your check engine '' light just the light needs to replaced.

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