Unraveling the Enigma Unlocking Blacksmoke's Mysteries

Diesel engines are not designed to efficiently burn excess fuel so much of the fuel is wasted and exits the engine only partially combusted. Nozzle and ... Black smoke is caused by an incorrect air-fuel ratio. Usually, the mixture of fuel and air in your engine is carefully controlled by sensors. My truck has been blowing out black smoke when accelerating and even when just cruising for a couple days now out of the blue. Just guessing but I would check for an intermittent stuck exhaust valve. I would pull off both rocker covers and spin the engine with the coil ... The oily ash forms the thick black smoke. You are usually driving with a very little throttle and low rev range. As a consequence there is ash ... Black exhaust smoke indicates that your petrol or diesel car is excessively burning fuel. This often comes from faulty fuel injection, causing the fuel mix to ... '03 F-350 6.0L PSD Hello everyone, I am having an issue that just started last week. When I push on the accelerator I get black smoke from ... Just a thought. 2006 GMC 2500 4x4, CCSB Vin Code 2, LBZ, 6 Spd Allison I am only having this in the morning when I am leaving home to my job. What could the reason be for that? Injector refurbishers say EGR failure only to blame - I think this is maybe a secondary symptom, not primary cause. I think maybe injector ...