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Message: [QUOTE="Charles, post: 461922, member: 103"] If it's black smoking what more do you people expect from the engine control system? If it's putting the fuel in the hole, at the right time, and in a high enough quantity to produce black smoke, what is the thought process of sensors and buzz tests going to help? All those things are what you do when it's [i]not[/i] putting fuel in the hole and you're trying to figure out why. For instance..... if it had no smoke.... then I'd want to verify a bunch of stuff, because it isn't firing any fuel at ALL... If it had blue smoke, I'd want to know fuel pressure because something is making the injection late, or the compression is down/ glow plug system down causing a cold cylinder unable to fully burn the fuel. If it was white smoke I'd say stuck nozzle or some other means of injecting way too much fuel, or injecting fuel 360* of rotation. But black smoke means there is fuel, and it's not too early, too late, or too much. Have you fired it on ether to see if it would fire and idle once lit? I would almost want to yank a valve cover and verify that I had intake valve actuation and my lifters weren't all pumped down or something dumb. Take a video of the tailpipe from about 20 feet away if you don't resolve the issue. That might help people. Plus just hearing the engine spin over is often useful in understanding what might be wrong. [/QUOTE]

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