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>Can one tell by the condition of the spark plugs, which head has a leak?
>I have airbubbles blowing out my coolant system...really bad..and some
>coolant in my oil.
>High pressure oil sensor goes active after 2000rpm also
>
>I pulled the plugs and the passenger side has one of the plugs crystalized
>with an orangy substance over its center electrode. The other on that side
>is not crystalized, but is brown orange in color.  (I use have been using
>Orange phosate free coolant).
>The other side appears to have plugs more carbonated and darker.
>
>This is my Vw's third time in 8 years, and is on its second engine.
>Thanks in advance ...
>
>John
>
>