Question about 2000 Hyundai Sonata

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HO2s Sensor Code P1154

I have a check engine light on and the code came on as P1154 at Auto Zone. What does this mean? Can i drive the car Safely? It is an 2000 Sonata V6 with about 120,000 miles on it.

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Hi there have just look at you code book and it says that the secone o2 senser is not working. yes you can drive it but i would not leave it for long.

regards JR

Posted on May 30, 2009

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What does code PO431 mean on 03 Kia XL. My check engine light is on. Auto zone said I needed to replace Catalytic Converter(s). Does anyone know how many Catalytic Converters are on it?


code p 0431 refers to warm up catalytic converter, bank 2--efficiency below threshold === causes ---cat converter---wiring---HO2S sensor 2
it should be a v6 engine as it has 2 banks , bank 2 is the one closest to the grill.
there should be 2 cat converters ( one for each bank)
from the suggested causes , I suspect that the HO2S sensor is not performing properly and is not providing the correct mixture to the cat converter to make it operate properly
if you bump the cat converter with the hand and it rattles , it will need replacing and autozone would be right
However I am always of the opinion that you should seek other advice from an accredited exhaust specialist shop and get a quote as cat converters are not cheap

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Whats code p1156 for acura cl 1998


http://realfsm.com/

FREE ONLINE AUTO MANUALS AND WIRING DIAGRAMS.

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What does code P1154 mean on a hyundia sontona 2002


You sure that's the right number?
For Hyundai, it shows codes 1151 and 1155, both referring to the electronic throttle system (ETS). I did not find a code P1154.

P1151: ETS Main Accel Position Sensor 2 Malfunction.
P1155: ETS Limp Home Valve.
P1174: Electronic Throttle System #1 Close Malfunction.

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I have 2005 chevrolet equinox with p0036 and p0054 code, i replace my 02 sensor but the light came with the same code, how can i fix that?


Hello i would look into perhaps a FUSE that powers up the HO2s, seems its a power issue. If you have replaced the O2s and still the light is on that means the problem was not correctly diagnosed.

Check engine lights are great in telling you there is problem BUT when you scan for the codes they dont really pinpoint the problem area just a overview on what is the matter there are so many systems involved that one feeds the other and can cause false possitives. In this case it seems that you might just have a fuse problem BUT i would really look into that 1st before you replace any other parts that will cost you more money out of pocket. If you need further help let me know.

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What does it mean when the check engine light comes on for a 2003 chrysler sebring lx


That the engine computer has recieved information from a sensor/s that is not correct, could be a bad sensor or other issues with the engine. I would take the car to Auto Zone and they will use an OBD II scan tool to retrieve the code/s, which will tell you where to check for the problem.

May 22, 2010 | 2003 Chrysler Sebring

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I received a P1154 OBD code error. It says


DTC P0131 or P0151
Circuit Description
Heated oxygen sensors (HO2S) are used for fuel control and post catalyst monitoring. Each HO2S compares the oxygen content of the surrounding air with the oxygen content in the exhaust stream. The HO2S must reach operating temperature to provide an accurate voltage signal. Heating elements inside the HO2S minimize the time required for the sensors to reach operating temperature. The powertrain control module (PCM) supplies the HO2S with a reference, or bias, voltage of about 450 mV. When the engine is first started, the PCM operates in Open Loop, ignoring the HO2S voltage signal. Once the HO2S reaches operating temperature and Closed Loop is achieved, the HO2S generates a voltage within a range of 0-1,000 mV that fluctuates above and below bias voltage. High HO2S voltage indicates a rich exhaust stream. Low HO2S voltage indicates a lean exhaust stream. If the PCM detects an HO2S voltage that stays below a specified value, DTC P0131 sets for HO2S bank 1 sensor 1, or DTC P0151 sets for HO2S bank 2 sensor 1.

Oct 06, 2009 | 2001 Hyundai Santa Fe

1 Answer

1998 pontiac grand prix gt service engine soon light just came on. Auto Zone did a test and came back with a code. It said ''Fuel Air Metering P1133''. Can you tell me what this is?


P1133 HO2S Insufficient Switching Sensor 1

THIS IS THE O2 SENSOR CLOSEST TO THE ENGINE AND BEFORE THE CONVERTER.

AN EXHAUST LEAK OR A BAD SENSOR COULD BE THE PROBLEM.

CHECK THE O2 SENSOR WIRING FOR DAMAGE, CORROSION, ETC.

Jul 10, 2009 | 1998 Pontiac Grand Prix

1 Answer

I got code PO420 and PO430


Here are the most common problems,

Air leaks at the exhaust manifold or in the exhaust pipes. Catalytic converter is damaged, contaminated or has failed. Front HO2S or rear HO2S is contaminated with fuel or moisture. Front HO2S and/or the rear HO2S is loose in the mounting hole. Front HO2S older (aged) than the rear HO2S (HO2S is lazy)

Your vehicle’s computer system has self-testing capability. When the computer senses that there is a problem with one of the components or sensors it stores the correspondent trouble code(s) in its memory and lights up the "Check Engine" or "Service Engine Soon" light to tell you that there is a problem and you need to diagnosed and repaired it. Autozone turning the light off does nothing for you, and is against their company policy. If you do not have the proper tool, reference materials or experience I would take it to a professional. Finding out the trouble code is just he start of the diagnosis process.

Hope this helps.

Dave

Feb 28, 2009 | 1996 Nissan Sentra

1 Answer

GEARBOX DIAGNOSTIC CODES FOR FORD MONDEO AUTO 2002


all eobd codes starting with p zero have standard meanings irespective of model or make
PO12 CODE CAMSHAFT POSITION (cmp) intake/front,bank 1 timing over ******
possible cause valve timing engine macanical fault cmp acutator
POO36 CODE HEATED OXGEN SENSOR HO2S)2BANK 1, HEATER
CAUSE FAULTY SENSOR WIREING SHORTING TO EARTH EC
PO59 HEATED OXGEN SENSOR (HO2S) BANK 2, HEATER RESISTANCE
WIREING HO2S
THESE FAULT CODES HAVE BEEN OBTAINED FROM AN AUTO DATA DISC
I HOPE THIS IS OF SOME HELP TRY CLEARING THE CODES AND SEE IF THEY RE APEAR
IF THEY DO THE SENSORS AND WIRING NEED CHECKING

Aug 22, 2008 | 2001 Ford Focus

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