Question about Cars & Trucks
I have taken my 2006 Hyundai Tiburon in and they replaced my bank 2 sensor 1 oxygen sensor. Less than 100 miles later, my check engine light came back. The readout again stated bank2 sensor1 oxygen sensor. Took it back in and they fixed it. Less than 100 miles, my check engine light came on again. The garage was not happy that I was back and knew it was bank2 sensor 1 again. They worked on it for Over an hour and said it was fixed. Today, less than 75 miles later, my light is once again on with same problem. Can anyone help me out?
Why are you going back to a shop that can not
diagnose an O2 Sensor issue?
The only help you can get, is from someone properly
diagnosing the problem
Can't tell you anything, as I do not know what the codes
were, or were they the same every time
What was tested & how,that is the key.
Is that a V6 & what was short & long term fuel
trim on each bank?
Was the old & new sensor checked with an
oscilloscope? Why was it replaced?
Was the intake & exhaust smoke tested for
Many questions & things to know & check,
obviously that shop can't solve the most common
& somewhat easy problems.
Posted on Jul 19, 2013
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Posted on Jan 02, 2017
SOURCE: Code #P0171 & code #P0174
The most common problem on a Ford with these codes is deteriorated PCV hoses. Check the hoses from the PCV valve to the intake manifold. Pay special attention to the rubber elbows. They often crack on the inside curve and the crack is hard to see.
Posted on May 22, 2008
I think you will find the aftermarket Cat Conv. is the source of your problem, but without hooking up to the factory test equipment at my disposal at my Ford dealer this at best and educated guess based on 20 years of emission related work, I am a Ford certified master electronics technician
Posted on Jan 30, 2009
if u have one oxygen sensor then u need to take a deep look at the bottom of ur car it will be somewhere at the Exhaust pipe if u have a catalytic converter then u will have two oxygen sensors one before the catalytic converter & the other will be after the catalytic converter. Note: the catalytic converter is located at after a little bit of beginning in Exhaust pipe.
Posted on Jun 06, 2009
It sounds like you have either a lean or rich condition ocurring,could be exuast leak,vac leak,leaking fuel preasure regulator,cat convertor.At this point would go to dealer for diagnosis.
Posted on Jun 17, 2009
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