How does the gap size affect the spark's intensity and combustion?

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 ... Apr 27, 2008 ... If this is indeed my problem (weak ignition) . does anyone have any recommendations for fix/replace? Mar 8, 2012 ... I just thought it was running too rich and causing the carbon buildup on the plugs and then they couldn't ignite the fuel mixture anymore after ... The causes for such a buildup include a heavy carburetor float, a leaky injector or carburetor needle valve, malfunctioning of the spark plug wires, or ... Jul 3, 2003 ... I have a recuring problem with #1 plug (front of engine) fouling with carbon from what one would describe as an over rich fuel mix. 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. 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 31, 2010 ... It is possible to foul a spark plug when running it at the proper temp. range, but it isn't very common. One good example would be oil fouling. 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 ... Oct 26, 2021 ... If you have a bad engine it can cause those issues yes , burning oil can foul plugs and damage converters also.