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Jo	10-18-2005 11:46 AM

P304 code on 2001 Sonata

The dealer says this is due to two bad spark plugs and wires which will cost
$450 to fix. How difficult are these plugs to replace?

Thanx
Larry

hyundaitech

10-18-2005 01:14 PM

Re: P304 code on 2001 Sonata

If it's a v6, the rear bank requires removing the plenum. If it's a four
cylinder, it's very easy.

Peter

10-18-2005 09:11 PM

Re: P304 code on 2001 Sonata

The misfire problem can be solved by changing spark plugs and wires. You may
buy the parts and DIY to save money.

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