How does the cost of spark plugs compare to other engine components?

Sep 1, 2020 ... ... caused the engine to run really rich, which ultimately caused the carbon-fouled spark plugs. Does this sound at all plausible? I don't know ... 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. 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 ... 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 ... 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 ... Nov 30, 2003 ... ... cause problems unless the spark plugs begin to foul out. In any event you would notice the misfire and lack of power from fouled plugs. As ... Mar 18, 2020 ... My question is, can this oil consumption cause this bad of spark plugs within about 10K miles or is there other issues that I need to be looking ... Jul 4, 2016 ... Boat: 2001 Sunsetter Lxi, Engine: Indmar 5.7L 325 Monsoon, Hours: 200+. Upon changing spark plugs, discovered 2 out of 8 plugs are fouled. Sep 9, 2017 ... ... what's causing this for ages and I'm having no luck. I own a 2001 Mx5/Miata and the car is without a doubt running richer than it should (I ... Aug 20, 2014 ... So basically the problem is the same as what my friend experienced. What is not the cause in my opinion: Compression. 6 bar on both sides. It ...