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2005 Kia Optima Check engine light cames on and my tachstop

Tiny
LEEG42
  • MEMBER
  • 2005 KIA OPTIMA
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 68,000 MILES
My Check engine light cames on and my tachometer stops working at the same time, if I remove and re-attach the NEG battery cable everything is fine no light tach is fine until I get the check engine light and the tach dies. I get a code P0320, the car runs fine weather the light is off or on it doesn’t seem to effect anything but the tach and light any help is appreciated

Thanks Lee
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Thursday, June 3rd, 2010 AT 8:07 PM

1 Reply

Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
There were some notes in Mitchell that suggest you may have a "Ignition Failure Sensor" that is bad, which will make the code you said and the tach not work. It is located on the back of the engine.
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Friday, June 4th, 2010 AT 8:05 AM

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