2003 KIA SORENTO ENGINE PERFORMANCE

  • Tiny
  • alexpunisher
  • 2003 Kia Sorento

Engine Performance problem
2003 Kia Sorento 6 cyl Two Wheel Drive Automatic 24,600 miles

trouble code P0431. Warm Up Catalyst Efficiency Below Threshold Bank 2. When my suv accelerates I have a whistling sound. I have poor acceleration at 2,500 RPM.

Tuesday, May 19th, 2009 AT 4:12 PM

1 Answer

  • Tiny
  • Jacobandnickolas
  • Expert
  • 68,410 posts

If you hear a whisteling sound and have low power with that code, chances are the converter is plugged on that side. You need to have it checked for backpressure.

Let me know what you find.

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Tuesday, October 13th, 2009 AT 10:36 AM

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