1998 GTX plugs last two weeks

[howardmoster]

new plugs only last 1 or two weekends then no performance. replace them and it works great.

is there a way to adjust fuel and oil mix. is it running too rich or too much oil? thanks H.

 

[wtrgrl]

What color are your plugs when you pull em. Are they wet?

 

[howardmoster]

yes wet and dark

 

[howardmoster]

actually black I think