What is the function of fuel injectors?

A poorly performing fuel pump can cause spark plugs to foul. The plug will have a dusty layer of black carbon deposits. Nov 12, 2020 ... The most common reasons why a lawn mower spark plug fouls are listed below: Air Intake blockage (this could be caused by the choke being left ON ... Oct 26, 2021 ... If you have a bad engine it can cause those issues yes , burning oil can foul plugs and damage converters also. ... carbon fouled, but the other plugs were normal (according to my plug chart). What could be causing plug #1 to carbon foul? -- bad plug? incorrectly set ... Carbon fouling is an indication of a rich air-fuel mixture, weak ignition, or improper heat range (too cold). Carbon deposits are conductive and can create a ... Apr 12, 2013 ... ... cause the plug tip temperatures to decrease and carbon deposits to accumulate, possibly causing fouling and misfires). A solution to this ... 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. 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 ... 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. 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.