How does the overall condition of the vehicle impact the engine's performance?

May 31, 2011 ... The carb is new out of the box and it was making all the plugs black carbon. ... dont use the old lead fuel pic s of spark plugs to read ... Carbon-fouled. Ash-fouling. Ferrocene. Oil-fouled. Partially melted center ... Cause: Spark-plug replacement interval not complied with. Effect: Misfiring ... Jan 29, 2014 ... No more fouling of number 2 and the engine runs better then it ever did. Still puzzled about why only one spark plug fouled. Check out the carb. Oct 21, 2011 ... I believe if the engine is running too rich at some point it can cause a rich misfire condition in which the HC levels begin to rise along with ... May 26, 2009 ... half a turn rather then the standard 1+) which cause carbon fouling eventhough she still need gas... ... spark plugs. This is ... Aug 4, 2010 ... ... abnormally rich mixture, which tends to cause the sooting and fouling of the front spark plugs with carbon. As soon as enough soot from too ... Jun 21, 2004 ... If the plugs are fouled with a fluffy carbon black, your mixture is too rich. ... Possible causes: misfire, too cool, thermostat, plugs too ... Is there something else that could be causing this rich burn fouling of the plugs?? ... Do you have carbon fouling (dry black soot on plug) or is it oil on ... Jan 15, 2023 ... What might've caused this engine to be carbon fouled so badly? It ... spark plugs afterwards. Both can be significantly impacted after ... Aug 20, 2006 ... What would cause the front cylinder spark plugs to foul heavily with carbon on my 2002 VTX 1800C? The rear cylinder plugs were ok.