What are some common reasons for warranty claims related to spark plugs?

Bad or fouled spark plugs can cause a range of issues for your engine ... While fouled spark plugs can sometimes be cleaned, heavily coated oil, carbon ... 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. Jul 6, 2015 ... What bike? Forget the electronic ignition for now. Get it right first, otherwise you are introducing new variables. Carbon fouling is a result ... Please see pic of my carbon-fouled spark plugs just taken out today ... The only two things I know of that will cause fouling like that are overly rich fuel ... May 3, 2014 ... Prevent spark plug fouling due to oil & carbon build-up. Image. Save ... I fouled out another set of plugs, What would cause this, Tried adjusting ... 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, ... Oct 24, 2015 ... Pulling the plugs, all four plugs are identically and evenly coated with a dry dusty heavy black carbon that cleans easily with a wire brush. I ... Sep 8, 2020 ... A YouTube guru on the Nissan VG33 said this plug is more prone to fouling because the oil pools up more in this part of the head due to a flawed ... Dec 14, 2022 ... I would download ISTA and get the codes that causing the DTM. Post them here. Did you torque the spark plugs when you installed new ones? Or did ... Sep 1, 2014 ... You're not doing your engine any favors like that. Smell, smell is unburned fuel mix coming out the exhaust. this is caused by mis-fire. put a ...