1999 Oldsmobile Bravada "bad pcv cause black smoke" Questions

...PCV Valve on this car as well as many other turbocharged volvos. There is an oil trap (also called a flame trap) which comes clogged after time if a low quality oil is used, or if you neglect to ...

...of oil getting into the combustion chamber are weak piston rings, bad valve guides, bad valve seals, or plugged up engines where oil is sucked back through PCV system,usually due to lack of oil ...

since if the valve is bad, or sludged up, it's likely that the hoses have a coating of oil sludge inside as well. A bad PCV will cause excess pressure in the crankcase, leading to oil leaks and losses

...Bad EGR or PCV valves, Blown head gasket, valve guide seals. Need to do a compression test. if its black smoke I would suspect a fuel issue. several things will cause this... need diagnosing. If its ...

...pcv valve if bad it will allow engine to **** oil into the air intake and cause smoke,another things is to test the head gasket could be burning a little coolant Fuel (too rich)= black smoke. Burning ...

...bad when at an idle. If I replace all the gaskets and the rings, will this most likely fix the problem? I have someone who will do this for me. I do not have the money to rebuild the motor. you think ...

...PCV and subsequent systems also contribute to this problem The return path from the turbo is sometimes the issue and has to be clear, and I think the turbo seals could be bad, but black smoke is ...

...bad. Either one is a bit costly repair. Well oil is getting in the combustion area. Go ahead and check and make sure the oil level is at a normal level. Over filling the crankcase can cause this. If ...

...bad that the oil keeps on buring out one of my spark plugs(i have to get the spark plug replaced every couple of months).The car also has some black stuff coming out of the exhaust, it looks like oil ...

...bad PCV valve. It can also be a problem with the engine running rich. On late model cars with o2 sensors, a yellow light in your dash will usually come on indicating a problem. When it is scanned a ...