Are these aftermarket solutions generally effective?

Jan 9, 2006 ... You could end up with a large amount of carbon ... improper jetting, wrong plug, dirty air filter, low compression, poor fuel, weak spark. Jun 2, 2021 ... Could it be that an excessively rich idle mixture causes carbon fouling, then the lack of spark allows oil to accumulate? I just want to be ... Jun 1, 2001 ... SO, if your distro went spazmo, it could very likely have caused some plugs to foul (weak spark can do that). ... plug has become carbon fouled, ... 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. Sep 22, 2018 ... If all of the spark plugs show heavy dry carbon fouling, the rich fuel mixture may be caused by too much fuel pressure (check for a defective ... Oct 26, 2021 ... If you have a bad engine it can cause those issues yes , burning oil can foul plugs and damage converters also. Jun 11, 2015 ... ... spark plugs to use to avoid fouling? Back to Top. Direct Link ... So hotter plugs and carbon deposits could cause you pre-ignition and ping. A poorly performing fuel pump can cause spark plugs to foul. The plug will have a dusty layer of black carbon deposits. 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. Nov 24, 2020 ... Having a bit of a problem with carbon fouled spark plugs on my 1955cc engine in a split bus. It had an external oil cooler and never seems to get very hot.