Hi Guys, So I have another query, new plugs, new HT leads, injector cleaner, valve stem seal, solution all in the fuel. When I started engine was running nice and smoothly yet still black smoke. Please be aware I haven't had it tuned. After a few minutes of running it sounded like it start miss firing until I revved the engine, does this mean too rich in fuel and spark plugs already carboning up. Please could you provide some input. I'm hoping to get the Ranger to a mechanic. Would this be your recommendations?