Question about Cars & Trucks
Blowing black smoke at times under acceleration
Posted by Anonymous on
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Posted on Jan 02, 2017
Welcome to the world of diesels....
Black smoke is produced when too much fuel is injected into the cyl. There could be several issues here, but I would start with running a diagnostic on your O2 sensors and MAS/MAP sensors.
I hope this helps
Posted on Aug 19, 2008
1 Inspect Piston Ring Set Worn or broken piston rings. 2 Inspect Valve Stem Seal Cracked or brittle valve stem seals allowing oil to enter combustion chamber. 3 Inspect Head Gasket - Performance Head gasket leaking coolant into cylinders 4 Inspect Fuel Injector Rich injector 5 Inspect PCV Valve Plugged or damaged pcv valve. 6 Inspect Engine Worn or scored cylinder block 7 Inspect Piston Worn or damaged piston. 8 Inspect Valve Guide Worn valve guides
Posted on Nov 26, 2008
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