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2003 Kia Sorento

Tiny
GLADSTONE
  • MEMBER
  • 2003 KIA SORENTO
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 17,400 MILES
My engine vibrates and back fires when I try accelerate the engine speed. OBD 2 was connected and it shows multiple fault codes.
1. Air Mass flow meter PO100
2. Vehicle Speed Sensor malfunction PO500
3. Inlet temp sensor circuit fault PO110
4. Diagnostic Trouble Code P1121
5. Pedal Position Sensor Fault PO120

What is responsible for these faults?
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Saturday, October 25th, 2008 AT 3:05 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,200 POSTS
Chances are most of them are related. I would start with the pedal position fault. It functions similar to a throttle position sensor and can cause the other codes to set. NOTE: The sensor can be checked prior to replacement.

Let me know what you find.
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Tuesday, October 13th, 2009 AT 12:09 PM

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