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Discussion Starter · #1 · (Edited)
Hi all, I just picked up a brand new 2020 Veloster N w/PP yesterday in Chalk White. Phenomenal car. However, today I got a check engine light at only 129 miles. Car still drove fine, was only a few miles away from home. Error message:

A possible condition with your Engine Control System has been detected with your 2020 VELOSTER (VIN removed) on 02/09/2020 at 06:40 pm PST. A full system check is recommended to be done when convenient.

I've seen some forums on veloster.org with problems ranging from a loose gas cap to software update to having to replace the entire fuel system. I haven't seen anyone post about this specifically on this N forum. Anyone else experience this?
 

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Same as mine after 300 miles, mine was an evap system fault. The problem with mine was that the evap return pipe was disconnected under the hood , right side under the air filter duct. Not saying it’s your problem, but it’s worth check.
 

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Discussion Starter · #5 ·
Same as mine after 300 miles, mine was an evap system fault. The problem with mine was that the evap return pipe was disconnected under the hood , right side under the air filter duct. Not saying it’s your problem, but it’s worth check.
I just took a look. The pipe is still clamped down, but doesn't look like it's fully extended to the end of the pipe. Do you remember what yours looked like, or was it completely off?
 

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I just took a look. The pipe is still clamped down, but doesn't look like it's fully extended to the end of the pipe. Do you remember what yours looked like, or was it completely off?
It's seated well this is not the problem. Did you check your fuel cap? Take it to the dealership and let them hook it up to the GDS.
 

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Discussion Starter · #8 ·
It's seated well this is not the problem. Did you check your fuel cap? Take it to the dealership and let them hook it up to the GDS.
Thanks, I checked already and fuel cap is fine.

I got an OBDII reader and it's reading code P219c code, which is an imbalance in cylinder one air/fuel ratio.

I'm still on the original tank of gas that the dealership gave me, and haven't put any more miles on it. Will bring it back on Friday on the same tank of gas, and keep everyone posted. Appreciate the input so far.
 

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Welcome and thanks for taking the time to actually read the problem code and post it. Record and reset the code with your reader if you have the capability. Run the car some more and see if it repeats with the same code.
 

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Discussion Starter · #10 ·
OK, so here's the update. The dealer pulled the same code P219C, cylinder one air/fuel imbalance. They actually knew I pulled the code already for some strange reason. Perhaps it was because I contacted Bluelink once it happened - the salesguy asked me if I used Bluelink or had an OBDII reader, because the code was already pulled.

Anyway, the engine was running lean (too much air, not enough fuel). The master tech said it could be 3 possibilities - bad fuel injector, spark plug, or coil pack. They called Hyundai headquarters technical line to report the issue, and said no other dealerships had reported something similar happening with VN w/PP. They ran a battery of tests, which showed everything was currently working fine, so it's possible the fuel injector had a "blip" and then cleared itself.

The recommendation from Hyundai technical was to swap cyl-1 coil pack to cyl-3, cyl-1 spark plug to cyl-2, and leave the fuel injector in cyl 1. If the code pops again, then they will know exactly which part is foul. The dealership also did a compression test and leakdown test just to be safe, and everything was fine. I'm actually pretty impressed they did all that, but I had my original salesman vouch for me (he was shop foreman and service manager for 17 years before moving to sales)

No codes have popped yet. Will update if anything else happens.
 

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They can check the coil packs and find out right away. The same with spark plugs. I'm amazed at the incompetence of technicians now a days. They can also purge the FI during the service visit.
 
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