1988 Porsche 911 "oil fouled spark plug" Questions

...plugs were fouled. Does it keep happening? If so, you may have low compression and oil is blowing through. If it only happened that one time then I wouldn't worry about it. It happens after a

...oil, or combustion deposits so that it is unable to produce a spark. A plug can become fouled from continuous low speed driving, improper spark plug heat range (too cold), improper timing ...

...oil and carbon fouling can all be the result of different causes but, once a spark plug is fouled, it will not provide adequate voltage to the firing tip and that cylinder will not fire properly. In ...

...oil and carbon fouling can all be the result of different causes but, once a spark plug is fouled, it will not provide adequate voltage to the firing tip and that cylinder will not fire properly. In ...

...and then oil to see if it is milky looking) BLUE: could be burning oil, which could result to fouling plugs (check spark plugs for fouling) BLACK; too much fuel flooded (check spark plugs for

oil fouling the spark plug but compression is fine 1991 300 zx tt oil fouling the spark plug but compression is fine If you are telling the compression it fine i advice you to to put new spark plugs ...

...oil fouled rather than fuel fouled. Oil fouling is usually due to valve stem seal leakage. Most engines have the oil return on the cylinder head at the rear. When the engine is shut off, some oil ...

z20 engine foul spark plug all time even after replacing it especially 4th cylinder Is it oil fouled? If so, replace spark plug wire. If it's coolant fouled you have a blown head gasket.

...oil or gas which was fouling the plugs. God bless your efforts. The solution will depend on what sort of fouling the spark plugs are suffering from? Many spark plug application catalogues provide ...

oil drain in past the valve seats. Could be a broken piston ring or a displaced valve stem seal. also check the HT cable to number 2 cylinder is supplying a good spark to the plug because if it is not