ruff idle spark plugs are black fould out on 1997 Dodge Ram 1500

i cleaned the plugs but they get fould out this black sauts coming out the tail pipe slogish

by in Pontiac, MI on April 08, 2009
2 answers 2 comments
ANSWER by on April 08, 2009
Are there any trouble codes stored in the engine module?
COMMENT by on April 09, 2009
the o2 sencor code but is blowing this wet black smoke, smells like gas out the pipe. and the plugs arent wet theres no water geting used
COMMENT by on April 09, 2009
If the O2 sensor is bad, it can cause the engine to run very rich. However, and rich running engine can cause the O2 sensor to fail, so it can be difficult to find out which caused which.
ANSWER by on March 21, 2011
its running too rich if its fouling out your plugs. try a hotter spark plug and see if that helps.