First check engine light on Sonata (2013 2.4L) Bank 1 Sensor 2.

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Yep!, first check engine light to date on the 13 sonata 2.4L.. I was sweating this one let me tell ya., I for some reason 🤔 was anticipating a multiple misfire code or something like that because of the 2.4l "issues". Hooked up reader and thankfully it's "only" a 02 sensor Bank 1 sensor 2. I take it this is the one after the cat? I think I'm going to go OEM, since the original sensor lasted almost 10 years and 67K miles.. Should this sensor of lasted longer? I would of like it to, but again picked up this car in 2019 with less then 2K miles on it. It literally used one tank of gas a year for the first seven years of its life, so I believe that has something to do with it.
The OEM sensor from the dealer is $204 dollars. I looked on eBay and found new old stock OEM for 50 bucks. Should I take the gamble on new old stock? or buy form dealer, or throw in a Bosch and call it good? I deleted the code and it has not came back but I'm still going to replace it. (And no I don't use MMO in the sonata since "DI", so we can't blame MMO in this situation.) lol
Thanks for the feedback. 🙃
 
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If you have a scanner, you can see it working. Anything above 0.5 is good but they do tent to fail getting lazy on the readings below 0.5 volts.
 

1 SX

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If you have a scanner, you can see it working. Anything above 0.5 is good but they do tent to fail getting lazy on the readings below 0.5 volts.
I was going to ask this!
I did do live data scan, and as soon as you touch the throttle in park and with engine warm readings drops to 0.00V. I did not scan it cold.
 
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If you want to shoot parts at your Sonata, I would say to change out the downstream sensor(sensor 2).
And yes, use OEM even if you buy it elsewhere and not the dealer.
Yeah, they're pricey so, $50 is a good price. RockAuto has a DENSO downstream for $72+ shipping.
Do you know what OE brand is in your car?...NGK, DENSO?
Make sure you don't have exhaust leaks/rot around that area. This could be why the sensor is failing.
 
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The OE o2 sensor might be manufactured by Mando. Hyundai sources most of their ignition coils and some o2 sensors from them. Most Hyundais have a NTK o2 sensor from the factory
 
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The OE o2 sensor might be manufactured by Mando. Hyundai sources most of their ignition coils and some o2 sensors from them. Most Hyundais have a NTK o2 sensor from the factory
FWIW, I just bought a Mando HVAC blower exactly the same as original for $50. Dealer wanted $191 + tax. Not in stock, would take 4 or 5 days. Amazon next day delivery.

Hint ....... get oem part number, then do a search for that p/n. You'll be surprised at what is available.

Lots of Mando parts on H/K. Alternators, starters, other electrical are oem.
 
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1 SX

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Update: I still did not get around to doing this yet, deleted the one original code (o2 sensor Bank 1 sensor 2) a few weeks ago, but it returned recently stronger than ever with additional codes.. 🤔

Do I have a wiring issue on the car or is the O2 sensor just shot and throwing all these other codes?
What's really odd is before I deleted the codes again, I "moved" all the o2 sensor (only sensor 2) wires and verified connectors to see if it was just a loose connector. deleted all the codes and the light did not come back. I have the genuine NTK o2 sensor ready to be put on... Im just waiting for the winter oil change to install it.

thanks.


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1 SX

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"One tank of gas a year for the first seven years."
But but... It had above BITOG maintenance... or maybe the shop was taking advantage of grandma.

it had 9 oil changes over 7.5 years, or about every 225 miles / 9 months.. every tank of gas was a oil change. 😲

im also sure the engine was not even broken in yet and grandma never redlined in these initial 2000 miles or seven ish years. It even had the original tires.

I think the only thing that "saved" this sonata is it sat in climate controlled garage 99.8% of the time. never drove in rain or snow, so while the gas was in the tank for a year or more at a time, it was out of elements.

and yes I know sitting is not great for a vehicle, but have put almost 70K on it as of today, and minus transmission fluids/synthetic oil and oem filter changes, spark plugs, air filter, cabin air filter, brakes, tires.... its all original, and think one check engine light is acceptable especially if it's only a 02 sensor.
 
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Does your scanner do live graphing? I have found that's the best way to diagnose an O2 sensor. If you don't know what to look for on the graph, there are online videos or just use a graphing scanner in another car that's not setting O2 codes to get the idea.
 
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