Question about Fiat Cars & Trucks
Black smoke comes out from the exhaust
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: black smoke from exhaust
This is almost certainly a split hose - mine was the large hose coming out of the bottom of the EGR valve.
Speaking to a parts guy at my local Jaguar dealer, he said that the new part is uprated as Jaguar are aware that this is a problem.
The split allows more air in and results in the ECU changing the mixture and over fuelling - Black smoke is an indication of un-burnt Diesel. As well as the black smoke you may also notice a whistle/whine or sucking noise when you accelerate and a lack of power / lumpiness at around 2000rpm.
Hope that helps!
Posted on Aug 01, 2008
If its BLACK smoke it's unburned fuel. If it has carb, the carb float is too high or sunk. If it has fuel injection it's a stuck (open) fuel injector.
Posted on Mar 22, 2009
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