P0304 2003 Kia Optima

Tiny
JDKBANKS23
  • 2003 KIA OPTIMA
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 126,000 MILES

What is cyclinder 4 misfire

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Friday, August 19th, 2011 AT 9:27 PM

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Tiny
MHPAUTOS
  • EXPERT
  • 30,751 POSTS

This is possibly a faulty spark plug, lead or injector, a low compression can also set this code, the problem is only associated with cyl No 4.

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Tuesday, August 23rd, 2011 AT 8:05 AM
Tiny
RASMATAZ
  • MEMBER

Check sparkplig, compression and injector for no.4

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Tuesday, August 23rd, 2011 AT 8:06 AM

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