Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.

Can a leaking valve cover cause a P0300 code?

April 26, 2017cause code cover leaking p0300 valve

0

Posted

Can a leaking valve cover cause a P0300 code?

1 Answer

0

Posted

Many engine designs have spark plug access holes designed into the valve covers. Oil leaking into these areas can deteriorate plug wires, coils and cause spark plugs to misfire, any of which can cause a P0300 code.