changerearsparkplugs on 2004 Kia Sedona

how do i access plugs against fire wall

Asked by for the 2004 Kia Sedona
The upper intake manifold or airplennum needs to be remove. Be carefull not to brake any of the sensors wires which could cause a code to be set. and replace the upper manifold gasket.
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Take the top of the motor off