OT: Dreaded CEL in my DD, Got the OBDII code Options

[flipb]

My daily driver is a 2007 Kia Rondo, 2.4L 4-cyl. I bought it new and I've put 50K miles on it.

About a week ago, the Check Engine light came on. I decided it was time to own an OBDII code reader, so I went out and bought one at my FLAPS.

I hooked it up and it gave me the code P2187: System too Lean at Idle Bank 1

I presume the "Bank 1" part is the default for an inline engine.

I figured it was an anomaly and cleared the code. Within 2 days, the Check Engine Light was back on, and giving the same code. This time, I didn't clear it (so the light is still on every time I drive... much like every NYC taxi.)

I can discern absolutely no difference in the way the engine's running, sounding, or driving. I suspect the weather may be a factor - both times the light came on, it was a fairly cold morning. I'd be more concerned if the diagnostic code implicated a particular faulty part, such as an O2 sensor.

Should I worry? Should I clear the code? Should I get to a dealership soon, considering there's a 10yr/100Kmi powertrain warranty?

[ThePaintedMan]

(IMG:style_emoticons/default/agree.gif) With most of these suggestions. My '96 Mustang never threw a code until just recently, then I got a whole mess of them. I went against what I've always learned - replace the cheap stuff first and work your way up. Instead I went through a MAF sensor, IAC valve, EGR, etc. Of course I totally missed the vaccuum hose leading to the intake, recycling crank case vapors. I would always check emissions stuff first anyway - its very possible, like in my case that you bumped a hose loose when changing oil or another simple task.

The other route, checking the forums is VERY useful. Most of the time when a car throws a code like that, it has happened to others and is a common problem. Really cuts down on the headaches once you have some idea where to start looking.

Finally, since the car is still under warranty, I would just take it back. I'll never buy a new car, having worked at a dealership in college. But, since you already paid for the service, you might as well use it! Good luck.