Question about 2003 Hyundai Tiburon

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Ok so now that I have to check thefuel press exhaust back press and compression had replaced bank 1 O2 Sensor Last month Hyundai replaced boyh bad catalyic converters whats going on the converters were under the emmisions warranty mialege of 88,000 mi. but they said the )2 sensor wasnt part of emmissions ? Too me it was Whats going on here car doesnt even have 60,000 miles on it!!!!

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  • kambal4 May 10, 2010

    if the cars running good why does it say bank 1 O2 sensor slow response when i just replaced the sensor last week

  • kambal4 May 10, 2010

    it helped ill check on it



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This is messy, they could say that the fuel you used caused the O2 sensors to fail. You should say the catalytic converter caused the O2 sensors to fail unless you have more than 100,000 miles on it. They can say that O2 sensors are consumable! They are also electrical in nature and so you might not be able to claim them. The Catalytic converters are covered as part of Federal law.

Posted on May 10, 2010

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Try another mechanic. Find a mechanic your friends has used and trust. You need a second opinion I think. I cannot do much from here for you as far as digging into it using the proper equipment. If the car runs good let it go unless you need that 02 sensor reading right. But do try another mechanic. Darrell S

Posted on May 10, 2010


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I have a 2007 jeep commander code P0153 O2 sensor slow response( bank 2sensor 1) replaced O2 light came back on later that day same code replaced O2 sensor again later that day check engine back on

What type O2sensor did you use ? Aftermarket ? Jeep's ,Chryslers , dodge are picky . WARNING Aftermarket Oxygen Sensors Chrysler part 1 Did you test or just replace the O2 sensor . P0153 Jeep O2 sensor 2 1 Slow Response If you don't have the tools like this guy uses an have the know how it's tough to fix problems like this .

Mar 24, 2016 | Jeep Cars & Trucks

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Where is the 02 Oxygen Sensor before the cadalic converter on a 2006 Hyundai Santa Fe

Usually these are located on the exhaust manifold or just below the exhaust manifold and you should be able to see it in the engine bay. On V6 engines there will be one sensor on each of the 2 exhaust banks.
You will probably need to remove the engine cover to see the sensors on your exhaust.

If someone told you to replace these because you got a particular fault code I would be wary. A decent scan tool and basic diagnostics can show if the 02 sensor is working or not. Some faults often blamed on an 02 sensor are not due to faulty sensors.

Jan 09, 2016 | 2006 Hyundai Santa Fe

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2006 Elantra CEL STILL on after O2 bank 1 sensor 1 and flex pipe replaced

All that has to be done is use the codes you have had
for months ,to diagnose the systems with faults & make
whatever repairs are necessary. No big deal

Just have to actually do something,not you, a repair shop

Mar 12, 2013 | Hyundai Elantra Cars & Trucks

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Bank 1 sensor 3 location

Bank 1 Sesnor 3

Bank 1 is going to be where number 1 cylinder is at; it's going to be the very last O2 sensor on the exhaust pipe, check make sure it's connected, if it is more then likely bad sensor.

Hope helps.

Feb 17, 2011 | 1997 Chevrolet Blazer

1 Answer

I have a 2005 Hyundai Sonata. My Engine check light came on and I had it checked out it is my Bank 2 Sensor 1. I had it replaced a few weeks later the light came on again. I had it checked out again and it...

hopefully they replaced the correct sensor- bank 2 sensor 1 should be the upper (closest to exhaust manifold) on the radiator side of the engine not the firewall side.Who replaced it? did they monitor the data value? just because a code reader says O2 sensor bank 2 sensor 1 problem it can be a lot of items even a vacuum leak close by o2 sensor will set a o2 sensor code. maybe you should purchase a code reader that shows data so a person would know what information the computer is getting from the sensors. did you purchase a oem or equivalent or did you go to mr. cheapy's and buy a inferior sensor. There is a quality diff. between the cheap discount parts and quality parts that's why it's important to make sure the sensor is bad for sure before you replace it(quality sensor cost a little more).The fact that it is a hyundai is irrelevant. o2 sensors can be tested the same way on most makes/models-make sure the heater inside o2 sensor isn't shorted and ground is good induce vacuum leak watch sensors output should go low milli volts very fast, put vacuum hose back on watch output of sensor induce propane to air intake should go rich - high milli volts. under normal running at high throttle between 1200-1500 rpm should go high/low switch several times. this is a spec for the o2 sensors upstream #1on either bank. low .100 volt, high.900 you may see 1.200 volt on high side thats ok most important item is that when it goes into closed loop it switches regularly

Sep 27, 2010 | Hyundai Sonata Cars & Trucks

1 Answer

Meaning of po146 code for 1996 chevy blazer check engine light

Code -P0146 - o2 circuit no activity detected,
Bank 1 senor 3
Bank 1 is going to be where number 1 cylinder is at,
It's going to be the very last o2 sensor on the exhaust pipe, check make sure it's connected, if it is more then likely bad sensor.

Jun 23, 2010 | 1997 Chevrolet Blazer

2 Answers

What does the code p1166 mean for a hyundai elantra 2003

P1166 O2 Sensor - controller adaption diagnosis malfunction (bank 1).

Trouble area:

* P1166 is case for HO2S (Bank 1, Sensor 1) Signal line open
* Fuel system (Fuel tank/Pressure regulator/Fuel pump/PSV) failure
* Poor connection to fuel line hose/sealing/cut
* Sealing between purge valve and fuel tank
* Air leakage in exhaust system
* Ignition system (ignition coil, spark plug, cable) failure
* Surge tank and intake port failure

Oct 16, 2009 | Hyundai Motor 2003 Elantra

5 Answers

Need to locate o2 sensor location bank 1 sensor 2. I replaced the one on top nearest the radiator, but still getting o2 error code for a different one. Need to find its location on a Hyundai Accent 2000

You need to check two things.

First, there is a heat shield on top of the front of the motor where the o2 sensor you already replaced is. It's got (4) 12mm bolts. Remove it and check the exhaust manifold (big thing you put the o2 sensor into) for cracks. If there are any cracks, you'll get o2 sensor codes. Replace the manifold.

Second, if the manifold is fine start the car and listen to the exhaust pipe under the engine for leaks. Or if you already know the exhaust is loud... that's gonna do it too. A leaking exhaust pipe on an Accent will set secondary o2 sensor codes.

SHOULD you try to change it yourself, you will need a 7/8" wrench, and a new o2 sensor, or flex pipe, or manifold depending on what's broke. Do NOT touch the tip of the new or old o2 sensor to ANYTHING when you take it out or install it or it will be ruined permanently. Run the car until it's at it's normal operating temperature. Raise the vehicle, and take the o2 sensor out of the car (see below to understand which one) using the 7/8" wrench or if you got fancy and bought an 02 sensor tool... use it.

Replace whatever parts are bad (manifold or pipe) or just replace the sensor you need. Then restart the car and take it to a parts store and have them clear the code. The code (and check engine light) won't return right away, it usually takes a few days. If you did everything right you should be good. If not, it's not a terribly expensive job to have done and by now you should be able to explain to them what's wrong based on what you found when you looked at the car. Just tell them everything you checked and what you saw.

Education: I'm not sure where that half baked answer about o2 sensor 1 being near cylinder one came from but here's the real deal.

Sensor 1 is always BEFORE the catalytic converter
Sensor 2 is always AFTER the catalytic converter

Bank 1 and Bank 2 refer to which SIDE of the exhaust on 6 and 8 cylinder engines. Bank 1 is usually left side, Bank 2 is usually right side.

So... O2 sensor B1S1 refers to the O2 sensor BEFORE the converter on the LEFT side of the motor.

Oct 06, 2009 | 2000 Hyundai Accent

1 Answer

O2 sensor location 1997 pontiac grand am 2.4 4 cyl auto trans



Jul 13, 2009 | 1997 Pontiac Grand Am

1 Answer

2003 hyundai tiburon check engine light

You're right, the PO154 has to do with the O2 sensor. The code has the info of Oxygen Sensor Circuit No Activity Detected (Bank 2 Sensor 1).
Bank 2 is the exhaust manifold that cylinder #2 uses.
Sensor 1 is the sensor in BETWEEN the exhaust manifold and the catalytic converter.
No Activity Detected in the circuit could mean the O2 sensor is dead, or an open/cut wire going to the sensor.
That's about all the info you can get out of that code PO154.

Jun 07, 2009 | 2003 Hyundai Tiburon

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