What are the risks of using counterfeit spark plugs?

Jul 14, 2021 ... Common types of fouling include lead, carbon, silica, loose debris, and oil. Another common cause of spark plug failure is a cracked ceramic ... 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 ... Aug 15, 2006 ... ... spark plugs on the L/H side.. ... If that injector is defective and either sticking open or leaking, it could be the cause of your fouled plug as ... 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 ... 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 ... 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. 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 ... Nov 28, 2022 ... I just changed my own spark plugs, and it seems they are Carbon fouled. ... I don't think the condition on these plugs would cause any harm to the ... 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 5, 2024 ... Since all four plugs are fouled, I would lean towards oil. You may have lost a seal on the turbo, or the new PCV diaphragm may be faulty.