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Kia Optima help

Tiny
EOWEN1
  • MEMBER
  • 2001 KIA OPTIMA
  • 4 CYL
  • FWD
  • AUTOMATIC
PO 300 Random Multiple cylinder misfire. What causes this?
Wednesday, February 23rd, 2011 AT 7:51 PM

3 Replies

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Misfiring can be due to faulty spark plugs and/or related components, low fuel pressure, low engine compression and bad fuel.

When was a tune-up last performed?
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Wednesday, February 23rd, 2011 AT 8:48 PM
Tiny
EOWEN1
  • MEMBER
  • 2 POSTS
Thanks. We'll change the spark plugs and go there from there
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Wednesday, February 23rd, 2011 AT 10:06 PM
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
You're welcome.

Good luck and have a nice day.
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Thursday, February 24th, 2011 AT 12:47 PM

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