It's not. You need to replace valve cover gasket on that side. Now if your engine is smoking out of the exhaust and running real rough then you may have piston problems on that cylinder causing oil to come out of the spark plug hole. Rebuild time.
leaking spark plug wires can do it and also a clogged fuel filter. it could have a bad spark plug or a bad spark plug wire a bad coil pack or ecsesive oil leaking past the valve seal and its fouling a plug
Bad spark plug or plug wire or one or both valves leaking or stuck. Time for a compression check or spark check.
Spark plug gap chevy ls blazer
There is no spark plug cap located on the 1993 Chevy Blazer. The spark plug gap for this vehicle varies depending on the type of spark plug that is used. The OEM spark plug gap for this year is 0.040.
spark plug
.045 spark plug gap
The recommended spark plug gap for a 1994 Chevy 5.7L Pickup is .035" The recommended spark plug gap for a 1994 Chevy 5.7L Pickup is .035"
The spark plug gap for a Chevy Celebrity V6 is 0.045".
The Spark Plug gap is .045
What is the spark plug gap for a 2006 chevy malibu 3.5L v6
if the oil is at the spark plug base the valve cover gasket is leaking. if the spark plug electrode is covered with oil the engine needs rings
Give the spark plug boot a twist to free it from the spark plug then pull it off of the spark plug by the boot.