How might self-healing materials be used in future engines?

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. May 26, 2009 ... half a turn rather then the standard 1+) which cause carbon fouling eventhough she still need gas... ... spark plugs. This is ... 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 ... Feb 28, 2014 ... Years ago I thought a plug fouled was because of the carbon and lead build up. ... cause of sparkplug fouling is oil getting into combustion ... May 31, 2018 ... If the spark plugs have a matte black or grey appearance, it could be carbon fouling — something typically caused by a fuel mixture that is too ... Jun 25, 2013 ... Carbon fouling occurs when the spark plug firing end does not reach the self-cleaning temperature of approximately 450°C (842°F). Carbon ... May 12, 2006 ... ... carbon, fuel, oil or other deposits; Will cause spark to leach to metal shell...no spark across plug gap will cause a misfire; Wet-fouled ... Apr 13, 2023 ... The unburnt carbon will be deposited on the spark plug, causing carbon build-up. ... Every car has an oxygen sensor, which monitors the air and ... Feb 8, 2023 ... If the spark plugs have a matte black or grey appearance, it could be carbon fouling — something typically caused by a fuel mixture that is too ...