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2001 Toyota Camry Question: I got the code P0303 and P0300,P0301,P0302 old code.Engine misfire at idle.

 

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champak, 2.2L 4 Cylinder, Glendale Heights, IL, December 23, 2013, 17:49
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Valve cover gasket is leaking. cylinder 3 has oil.spark plug was changed in 08/2013.Sparkplug wire set looks ok.

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  • Answer #1

    pushrod December 23, 2013, 18:37
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     Master

    If you want to FIX this, replace the complete vave cover gasket 'SET'. Oil that has leaked in around the spark plugs will cause these misfires/codes. Replace plugs and wires! Toyota's really work well with "NGK" plugs and plug wire sets! And vice versa!!

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    champak, January 29, 2014, 13:02
     Rookie

    Hi. Thank you very much. Your suggestion solved my problem.No more Engine code. No more Misfiring.I have changed valve cover gasket by myself.Gasket cost me $15.I also replaced Danso spark plug wires set. Spark plugs were already changed. Thank you And appreciated for your big help. God bless you.

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    pushrod, January 29, 2014, 13:28
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     Master

    Glad to help!

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