What are some common symptoms of a bad PCV valve?

Clearing a Fouled Spark Plug. Featuring Bob Nardiello. Subscriber question: "What is the most likely cause of a bad magneto check during run-up (too large a ... 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 ... Feb 2, 2019 ... Carbon is relatively conductive and a thick enough coating will cause a voltage loss across the spark plug gap (=weaker spark = more fouling = ... Jul 10, 2003 ... Dry black carbon deposits could be an indication of a rich mixture ... More than a quart in 1000 miles is cause for concern in my book. The causes for such a buildup include a heavy carburetor float, a leaky injector or carburetor needle valve, malfunctioning of the spark plug wires, or ... Sep 10, 2021 ... ... ignition. That's why I was wondering if a weak battery could have caused the fouling via weak spark. It could barely hold a charge. 10 ... 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 ... Apr 8, 2004 ... the plugs are dry black "coated" the engine begins to miss, can take spark plug wires off and no noticable change in idle acceleceraton. the egr ... 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 ... Mar 8, 2012 ... I just thought it was running too rich and causing the carbon buildup on the plugs and then they couldn't ignite the fuel mixture anymore after ...