Posted by ih560 on April 25, 2009 at 07:25:46 from (67.131.50.233):
In Reply to: diesel SMOKE posted by william chavis on April 25, 2009 at 05:57:50:
If there is a heavy white smoke, you are not burning all the fuel, I would start with a few easy things first. If the timing is badly off it can cause heavy white smoke but usually would be hard to start as well. If there is a diesel shop near you, it would be a good test to have the injectors pop tested and checked for a good spray pattern, if one or two are spraying early it will throw the timing off and if they are streaming instead of spraying it will not be able to mix and burn the fuel. Also a compression test will go ahead and rule out cylinder problems, if there is not enough compression the fuel will not burn either and lead to lots of white smoke, but I woul like to think you have an injector problem first. Like I said try to think simplest first. If I remeber correctly those engines where Indirect Injected, so that leaves another thing to check if all else fails and compression and injectors are decent. Me and a friend were working on an old 1030 case a while back that was showing all the signs that you are describing, blowing loads of white smoke and it was even spitting what the owner said was oil out of the exhaust (turned out it was actually fuel). When we tore into it, everything checked out fair, compression was good and the injector spray patter was marginal but not horrible, the problem turned out to be that the precombustion chamber was caked full of gunk where the injector went into it. I assume the marginal spray pattern had lead to a build up of crap around the injector in the precup and was not letting the fuel mix, so it was just running into the cylinder and getting blown out the exhaust with lots of smoke. We took a pipe cleaner if I remember right and dug crap out of there for a while, a little bit at a time and within 30 minutes it was purring like a kitten.
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