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Model specific boards => Golf mk4 => Topic started by: djmagpie on 23 November 2015, 15:52
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changed my spark plugs to day on my 1.8t (agu) and there was loads of oil on the bottom of spark plugs ( on the thread) what could this be
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What were the tips of the plugs like? Fouled up consistent with burning oil?
Probably nothing to worry about as most likely just the rocker cover gasket weeping oil down into the plug chambers. It accumulates and creeps down the threads. Time for an easy little DIY job ;-)