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

 

Question

pali1313, 5.2L V8, Pontiac, MI, April 08, 2009, 18:09
 Rookie

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

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  • Answer #1

    Bret Bodas from RepairPal Test Shop, April 08, 2009, 22:32
     Master

    Are there any trouble codes stored in the engine module?

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    pali1313, April 09, 2009, 14:29
     Rookie

    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

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    Bret Bodas, April 09, 2009, 15:53
     Master

    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.

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  • Answer #2

    Visitor, March 21, 2011, 21:26

    its running too rich if its fouling out your plugs. try a hotter spark plug and see if that helps.

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