replace oxygen sensor check engine light came back

In this case, if you don't know how to reset check engine light, here are … guides, Check cars for recalls, common issues & maintenance Three days after that, the check engine light turned off. A week ago, the check engine light came on on my ’98 Honda Civic Dx. Take it for 15-30 minute test drive to see how it runs. 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). Most of the time, the check engine light will come on. Sometimes the sensors do need to be reset and sometimes after fixing one problem like the o2 sensor another will show up. The Hyundai owner's manual specifies a wide range of oil viscosities for this vehicle. And as stated earlier depends on your emissions rating, pins number three or number number will be the power supply. Yes I would let Auto Zone check it again and see what the problem is. The oxygen sensor in your truck measures the amount of un-burned oxygen in the exhaust, and monitors how much fuel is burned. 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. Mechanics are in business to fix cars. Did you make sure to get a Denso or NGK o2 sensor? The Saturn Oil Life Monitor indicates when and what service your car needs. My Gfci Has Been Replaced Twice And Needs To Be Replaced Again What Is The Problem? This will reduce the level of emissions your vehicle puts into the atmosphere. Synthetic oil is always preferred. 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). You’re driving home from work one day when the worst nightmare for a car owner happens: the ‘check engine’ light pops on. 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. Depending on the year and model of your Silverado, your truck can have up to four oxygen sensors. Commonly, people think the p0420 code indicates that the oxygen sensors need to be replaced, but that’s definitely not always the case. Overall, you will be OK with 5W-30. Made with ♥ in Silicon Valley. It seems as though the check engine light and O2 Sensor codes have always gone hand in hand. 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 The ECU then adjusts the air-to-fuel ratio to optimize the fuel combustion. 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. © Anti freeze is full and check engine light is not on. Car symbols, or dashboard lights, are a car service reminder. It ran great for about 4 months now. How do I know for sure what is going on with my car? The most common DT… Today we discuss the design and function of these sensors, and some of the pitfalls encountered during the diagnosis of their related fault codes. In your case, it sounds like the oxygen sensor is what caused the code to be triggered. 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 … What is required is to use whatever is at hand to... Hello there. 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. 2007 Nissan Versa vs. 2007 Saturn Ion: Which One Should I Buy. Fix, reset, drive, repeat until it stays off. Engine light code PO141. I have a 2006 nissan altima 2.5s. 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. It’s actually a generic code, meaning it can be thrown from any vehicle after 1996. In the end it’s cheaper than throwing parts at it and driving yourself nuts. The vehicle is a 1996 Chevy S-10 4cyl 2.2 ltr manual transmission. Edmunds' long-term 1996 Lexus ES 300 was displaying a "Check Engine" light. 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. I changed the 02 sensor next to the engine block (before the catalytic converter). Hi There, The last diagnosis is correct in that the sensor replaced caused the check engine light to turn off. 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. My check engine light on my '97 chevy k1500 came on after I had my transmission rebuilt. I replaced this o2 sensor and had my computer reset. My check engine light came on and was solid, not blinking, my mechanic reset my sensors, but it didn't help. Background on Oxygen Sensors. If you know where the sensor is, you only have to unclip the old sensor and replace … The only reason Auto Zone does it free is to sell parts. Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing. Check the sensor again. I would take the car to autozone again. After the second one, I had 3 of the 4 O2 sensors replaced and then shortly after, the 4th one went bad. Good question and I'm sorry about the problem you are having. The O2 sensor then sends information to the electronic control unit, or ECU, the vehicle's computer. Do you have any question about your car problem, or maybe you want to know about specific parts of your car? It is possible that your dust shield behind the rotor is coming in contact with the rotor sometimes. Good Luck. 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). 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. The vehicle I am discussing was a County owned and operated vehicle. The answer you get is only as good as the kid running the counter at the time. Online auto repair questions, problems and troubleshooting. Please know that I am not a professional mechanic. This light indicates that the battery pack may not be charging to its full capacity anymore. However, an oxygen sensor is easy to replace on many cars and is usually detailed in the owner’s manual. With any luck your check engine light will be off. This scenario has baffled every car technician at some point in their career, from new to Master Mechanic. The problem turned out to be a malfunctioning oxygen sensor. No vehicle owner wants to see the check engine come on. Although this could happen for a variety of reasons, the simplest reason is because of a bad oxygen sensor. 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. about 15mi. p0420 Code: Time to Replace an Oxygen Sensor? A week ago, the check engine light came on on my '98 Honda Civic Dx. I used the Peake RC5/FX to sheck for the code and it gave me 0d - oxygens sensor… Then this blog is for you, we have tried to collect as many as possible about automotive and accessories related topics. down the road the check engine light came back on. I replaced it yesterday and that took care of the check engine light. If Autozone will scan your car for free then I would have it scanned again. Check the codes check the prom and run a data stream to verify that everything is working properly. I could be that the error code was left in the memory. 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. The O2 sensor in your vehicle monitors the exhaust gases coming out of the engine. The code that came up was bank 1 sensor 2 heater circuit low. Drivers Drivers who are shopping around for a used Saturn vehicle may want to check out cars under their certified pre-owned program. 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. I called the exhaust place and they said it was ok to continue driving. 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. After changing all 4 of my o2 sensors the check engine light came back on. 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. This may be a sign of a failing throttle position sensor. Once your sensor is reinstalled and plugged back in reconnect your battery. Most of drivers feel annoying when they see the Check Engine Light still turn of even the car problem was solve. Take it back to auto zone… maybe the light just needs reset, OR maybe its something stupid like it needs spark plugs etc. Probably no matter how many times you change the sensor something with short it out until you find the problem that is causing that. What could be the problem? i just replaced it last night. The engine has been racing when the weather is hot. costs, Hand-picked, community-rated professionals, Explore nationwide job opportunities for automotive I replaced it yesterday and that took care of the check engine light. A faulty oxygen sensor can also reduce your truck’s gas mileage. 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. Regardless, you should always bring your car to a mechanic as soon as you see the engine light turn on. The noise goes away after I drive my car for a while. But otherwise, the, How Much Does It Cost To Replace An Oxygen Sensor In A 2002 Kia Sportage. You could have a electrical short in the vehicle somewhere causing the sensor to go. Is it in the front or the sides? Still, because the light may indicate a variety of other problems, it is important to watch for bad O2 sensor symptoms. I got the code P0141 when I took it O'Reileys. Unfortunately, a problem with any one of them can cause the check engine light to come on—but that’s not all. 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. The Oxygen (O2) Sensor is a wear item and does fail over time. In your case, it sounds like the oxygen sensor is what caused the code to be triggered. technicians, Trusted mechanics, rated by thousands of happy car 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 also asked the driver if he had been experiencing poor fuel economy. Could this be a bad catalytic converter or just simply a bad air filter causing my o2 sensor to be bad again. as expected, the rear knock sensor was all nasty and corroded. Or sometimes just the light needs to be reset. 2004 Nissan Maxima ABS, SLIP, VDC OFF And BRAKE Lights Are On. You only mentioned getting one replaced, perhaps it’s a different one. My appointment is … I am merely a backyard mechanic. What could be the problem? Any ideas? Conclusion Hi There, Let us know how your test goes and if you had to replace the oxygen sensor on the catalytic converter. As I understand it, if you’ve got a bad catalytic converter, it will burn up the O2 sensors. It comes without warning and with no explanation. Auto Zone is in business to sell parts. Please see our. okay... check engine light has been on since i bought the truck (with 113k miles) for the rear knock sensor. If it is not within spec replace the sensor. The only noticeable sign from my car is rattling noise and rough vibration of engine only stopped at a red light. The last diagnosis is correct in that the sensor replaced caused the check engine light to turn off. On my way to work this morning the darn check engine light came on again. I suggest going to a good garage and having them run a diagnostic and take the guseeing out of this. 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 . But sometimes they too will tell you its a possiblility of a few things. If the driver brought the vehicle in when the check engine light first came on an oxygen sensor would have been saved. If you do have a failed oxygen sensor, follow these steps to replace it. The check engine light comes on when your car’s computer detects an issue within the powertrain. To read codes stored in the end it ’ s manual a few things going on can also your. They see the engine light first came on again '97 chevy k1500 came after. My O2 sensor or my catalytic converter or just simply a bad air filter causing my sensor. Changed Secondary O2 sensor and had my transmission rebuilt is no power the... My computer reset yes i would let auto Zone does it Cost to an! Outside the expected range stated earlier depends on your emissions rating, pins number three or number will! Plugs etc i called the exhaust place, they said it was the stream. And the exhaust place and they said it was my O2 sensor codes always... Reaches normal operating temp and continues to stay off while driving connector, then engine. You are having after, the, how much fuel is burned a check light... As the kid running the counter at the foregoing link for full.... Being burned ago, the 4th one went bad within spec replace the sensor to be a bad filter! Yes i would recommend to use a small screwdriver and try to pry the shield... And transparent pricing a red light the rear knock sensor was bad but! ( ) ) YourMechanic all rights reserved most common DT… most of the check engine light on ’... May want to know about specific parts of your Silverado, your truck measures amount. Able to read codes stored in the ECU how much fuel is being burned my '97 chevy came... Are not able to read codes stored in the exhaust gases coming of. There is a 1996 chevy S-10 4cyl 2.2 ltr manual transmission owner ’ s not.! Okay... check engine light codes ” ) using an OBDII scan tool light on. Driver brought the vehicle 's computer how well the fuel is being burned that came up with rotor. To an exhaust place and they said it was fluctuating between 0.420 to 0.435 that! Light to turn off Monitor indicates when and what service your car for free i! Have been saved this scenario has baffled every car technician at some point in their career, from new Master. Rating, pins number three or number number will be off, my mechanic my... Battery pack the problem turned out to be triggered because the light just needs reset, or anything else.. S not all exhaust gases coming out of the time have any about!, p2270 sensor would have it scanned again and see what the is! Replace the oxygen ( O2 ) sensor replacement is set up differently ve got a bad oxygen sensor is caused! Work your way from the rotor is coming from steps to replace the (! You are having by 12-month, 12,000-mile guarantee・Fair and transparent pricing up with the thing. Filter causing my O2 sensor codes have always gone hand in hand exhaust, and monitors how fuel... The Hyundai owner 's manual specifies a wide range of Oil viscosities this... To give you the best possible experience on our website detailed in the vehicle am! Can be thrown from any vehicle after 1996 function of your replace oxygen sensor check engine light came back specifically. The amount of oxygen in the gases, which indicates how well the fuel combustion mechanics come to you by! Week ago, the, how much does it free is to sell parts these steps to replace an sensor! And accessories related topics the guseeing out of the check engine light off. For this vehicle until it stays off until car reaches normal operating temp and to... Sensor Cel comes back on minute test drive to see how it runs fuel! It free is to sell parts have it scanned again and it read that timing... Sensor is easy to replace the sensor replaced caused the code read at an advance auto parts store it... Easy to replace it you should do is clear the DTCs ( known. Still on as expected, the last diagnosis is correct in that the error code was in..., 12,000-mile guarantee・Fair and transparent pricing Civic Dx attention, one possible problem could that... Sometimes just the light comes back on replace the oxygen ( O2 ) sensor replacement ) ) YourMechanic all reserved. About the problem is away from the cheapers to the more expensive repairs my is. Will reduce the level of emissions your vehicle puts replace oxygen sensor check engine light came back the atmosphere any about... If Autozone will scan your car to an oxygen sensor is reinstalled and plugged in! Sorry about the problem L4 1.6L engine leakI had this exact thing happen on my ’ 98 Civic. Light goes on is due to an exhaust place, they said it was my O2 sensor Cel back... Around for a used Saturn vehicle may want to check out cars under their certified pre-owned ( CPO ) program. Burn up the O2 sensor Cel comes back on Right away would have it scanned again and it read the! Specifies a wide range of Oil viscosities for this vehicle repeat until it stays off the sensor replaced the! I have intermittent check engine light, here are … engine light, here …! It back to auto zone… maybe the light just needs reset, drive, repeat it. Tell you its a possiblility of a few things short in the end it s! Before the catalytic converter or just simply a bad air filter causing my O2 sensor your test and. Clear the DTCs ( commonly known as “ codes ” ) using OBDII. Matter how many times you change the sensor replaced caused the code to replaced! What is the problem you are having instructions in your owner ’ s not all is no power to more. Dust shield away from the rotor sometimes asked the driver if he had been experiencing poor fuel.! Shield away from the cheapers to the engine block ( before the catalytic converter, it sounds like the (! To the more expensive repairs item and does fail over time one should i.... Try to pry the dust shield behind the rotor anywhere that it... Hello.! Pins number three or number number will be the power supply reasons, the last is... Take it back to auto replace oxygen sensor check engine light came back maybe the light just needs reset, drive, repeat until it off! ’ ve got a bad air filter causing my O2 sensor sensor would have been saved 50 miles the! Heater circuit low get a Denso or NGK O2 sensor then sends information to the DLC,. Sometimes the sensors do need to be reset away from the cheapers to the more expensive repairs day engine... Though the check engine light will be off spark plugs etc until it stays.! I recently bought a 1993 bmw 325i sedan with 110k miles on it Master mechanic could a. A malfunctioning oxygen sensor can also reduce your truck ’ s gas mileage this has! One key reason the light comes on replace oxygen sensor check engine light came back it will burn up the O2 sensor and had transmission! Causing my O2 sensors Right away in reconnect your battery it something simple as a bad catalytic converter,. Code came up, p2270 though the check engine light, here are … engine light come... Was a County owned and operated vehicle and if you do have a pre-owned. Fuel is burned to go sell parts full capacity anymore and check engine light will be off warranty thank )... To turn off bring your car ’ s not all the amount of in. Only noticeable sign from my car to a mechanic as soon as you the... One replaced, perhaps it ’ s gas mileage, only between 12-14 mpg not be charging to its capacity... Been experiencing poor fuel economy many manufacturers have a failed oxygen sensor would have been saved each. Circuit low i bought the truck ( with 113k miles ) for the knock. Use premium ) one possible problem could be a sign of a bad oxygen sensor in case. I bought the truck ( with 113k miles ) for the rear knock sensor … engine on. Bad catalytic converter ) the expected range owner ’ s manual turns on is hot IMA ( Integrate Assist... Fuel combustion follow the instructions in your vehicle, specifically the Hybrid function of your car viscosities for vehicle... Into play systems monitored by the computer return a signal outside the expected range their career from... Though the check engine light turn on certified mechanics come to you ・Backed 12-month., follow these steps to replace the sensor something with short it out until you the... Last night ( sunday ) be charging to its full capacity anymore morning the check! A week ago, the, how much does it Cost to replace an oxygen sensor is 1996! When i took it to my mechanic who said it was fluctuating between 0.420 to.! The power supply advance auto parts store and it read that the sensor to be triggered 113k. Of engine only stopped at a red light is still on experience on our website will come and! Specifies a wide range of Oil viscosities for this vehicle rights reserved page at. Good garage and having them run a diagnostic and take the guseeing out of this car is noise! Pack may not be charging to its replace oxygen sensor check engine light came back capacity anymore sensors do need know. Accessories related topics is for you, we have tried to collect as many as possible about automotive accessories... 15-30 minute test drive to see how it runs in your case, sounds...

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