1991 Dodge Ram 2500 5.9 Diesel exhaust smells like raw diesel
Customer with a 1991 12 valve diesel. When idling the exhaust smells like raw diesel. I was told that it could be the turbo but I think it sounds like injectors. Anyone have any ideas on what can cause this?
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It couldn't be the turbo if your having the issue at idle because it isn't making boost at idle. It sounds more like leaky injectors or a dead cylinder.
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I agree the turbo does nothing at idle:c:.
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The fuel is not burning... could bad injectors (dribbling), low compression, stuck ring(s), cold engine, etc.
The donor truck I'm using for my RC project was famous for big white/grey clouds of diesel fuel when started cold. If I plugged in the block heater for 1-2hours beforehand, it barely smoked at all. BTW, non-intercooled injectors have 4 big spray holes vs. 6 small ones on intercooled models. Greater chance of unburnt fuel. |
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