Question about Hyundai Santa Fe
CAR RUNS GOOD BUT I HAVE THE CODE P 170 & P 174
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: codes #171 & 174
first check out for o2 sensor if its faulty this can show up.but if its proper.Evaporative emission control system leak very small 171 System too lean (bank 1) 174 System too lean (bank 2)
Posted on Jan 05, 2009
SOURCE: Change the spark plugs on
You have to remove the air intake manifold. The last three are under that. If you dont feel comfortable taking it apart then take it to a dealer.
Posted on Jan 30, 2009
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.
Posted on Jun 07, 2009
You can go to autozone.com and register for free for free online repair manual for your vehicle. Also google images have pics. There are also more manuals here:
Posted on Feb 06, 2010
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The engine and transmission in this cars drivetrain are fully electronically controlled by a computer called the PCM (Power Train Control Module). Whenever a problem like this occurs the computer stores a record of the problem in the form of a fault code in its memory, to read these fault codes you must have the systems memory scanned with a special tool. Once the fault code(s) are read you then must perform the appropriate diagnostic testing to find and resolve the problem(s)
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