Can a faulty MAP sensor cause incorrect fuel delivery and fouling?

Sep 25, 2006 ... The Boating Forum - What causes a fouled spark plug?? - I have a 2003 Yamaha 130hp. One of the plugs has a wet tip with carbon build up. Apr 27, 2008 ... If this is indeed my problem (weak ignition) . does anyone have any recommendations for fix/replace? Apr 8, 2004 ... the plugs are dry black "coated" the engine begins to miss, can take spark plug wires off and no noticable change in idle acceleceraton. the egr ... Jun 23, 2009 ... Carbon fouling is caused by weak spark, wrong plug heat range, and rich conditions. Essentially, you're burning too cool. Need to heat things up a bit. Mar 11, 2011 ... If the deposit is hard baked-on, black carbon, the result is indicative of use of too cold a plug. ... cause for a lot of fuel going into the mix. 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 ... Aug 15, 2006 ... ... spark plugs on the L/H side.. ... If that injector is defective and either sticking open or leaking, it could be the cause of your fouled plug as ... May 23, 2022 ... ... spark plugs, they foul badly with black carbon after only 20 ... fouling, I was hoping to rule out the original Strombergs causing the issue. Jan 26, 2009 ... * Carbon fouling: Your spark plug will have a black look, and will ... The cause of this type of foul could be caused by a number of ... Causes of Carbon Fouling: · Continuous low-speed driving and/or short trips · Spark plug heat range too cold · Air-fuel mixture too rich · Reduced compression and ...