How do fuses and relays protect electrical circuits?

Apr 1, 2022 ... Carbon fouling on a spark plug is caused by a problem with the fuel that you use. Often, we describe it as a fuel mixture that's too rich, which ... Jan 31, 2020 ... Gentlemen, I have a sooty, carbon-fouled spark plug problem that I ... carbon building up on the exhaust valves causing them to leak. Mar 14, 2004 ... ... Ignition 1. Replaced spark plugs end of first season, all plugs black and dry. Replace stock AC plugs with Champion RS12YC 2. Ignition coil ... 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. Jul 10, 2003 ... Dry black carbon deposits could be an indication of a rich mixture ... More than a quart in 1000 miles is cause for concern in my book. Nov 11, 2017 ... ... spark plug gets a lot of carbon build-up. Any ideas please because i'm running all sorts of tests and cannot find the cause. Thanks in ... 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 ... 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. 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 ... Jul 8, 2010 ... Carbon fouling - Dry, black sooty deposits leading to misfire and weak spark. Caused by an over-rich fuel/air mixture, faulty choke operation or blocked air ...