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hi ya, i have a 200sx s13 it has started to slutter lately, i have changed the plugs but it seemed to have got worse, fuel fiter was delivering black fuel, what could cause this, please help thanks
Black fuel...? I would try replacing the fuel filter, maybe even some fuel line. The only thing black that could contaminate the fuel I would think is old fuel line.
i think the fuel line is metal, i will check it out tho asap as it just seems to get worse the plugs are a very light brown i think its running a bit too lean and when the engine was warm earlier it started smoking from the exhuast but stopped after about a minuet
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