0
Yes, a damaged PCV (Positive Crankcase Ventilation) valve can cause smoke to emit from the engine. When the PCV valve malfunctions, it may lead to excessive pressure buildup in the crankcase, causing oil to be pushed into the intake system, which can burn and produce smoke. Additionally, a faulty PCV valve can result in poor engine performance and increased emissions. Regular maintenance and timely replacement of the PCV valve can help prevent these issues.
What else can I help you with?
When blue smoke comes from the exhaust soon after starting and then diappears what would one suspect?
Could be worn or damaged valve seals.
What could be causing blue smoke to come out of my lawn mower?
Blue smoke coming out of a lawn mower could be caused by burning oil in the engine. This may be due to overfilling the oil reservoir, a worn piston ring, or a damaged valve seal. It is important to address this issue promptly to prevent further damage to the engine.
What is making your 305 engine smoke from the valve covers?
You Also Could Have Broken Piston Rings Causing Lots Of BlowBy. This Increases Pressure In The Oil Pan Causing This Problen Inside The Valve Pan. Also Try Replacing Your PCV Valve & See If This Helps. If Not You Engine Probable Needs A Rebuild Minute amounts of oil can seep from the valve cover gaskets and onto the exhaust manifolds and the resulting smoke will travel upwards past the valve covers making them appear to smoke
Can worn valve covers produce smoke?
If the valve cover gasket is leaking it will allow oil to leak onto the hot exhaust manifold where it will smolder causing smoke in the engine compartment.
Smoke comes out of both heads I have a 305 motor?
Valves are too tight.or seals are damaged.(valve seals)
95 Ford Contour V6 is leaking power steering fluid apparently it is ending up on the exhaust manifold causing clouds of white smoke and a bad smell inside car What to fix and where?
Leaking, clogged, or incorrectly installed power steering hose; Leaking or damaged power steering pump (reservoir); Transmission fluid loss from leaking transmission seal (at firewall). White exhaust Smoke could also be from: Worn or broken piston rings; Cracked or brittle valve stem seals allowing oil to enter combustion chamber; Rich fuel injector; Plugged or damaged pcv valve; Worn or scored cylinder block (engine); Worn or damaged piston; Worn valve guides.
What would cause a 1971 350 to smoke out the valve cover breather and loose a lot of power?
The piston rings are WORN OUT. Time for a engine overhaul That's a definite possibility. It could also be bad valve seals causing the smoke and something else causing the loss of power. This is a good time to run a compression test and start looking at the overall condition of the engine.
What could be the problem causing my Chevy Blazer to smoke?
It could be a # of things; Piston rings,Valve seals,Oil returns stoped up, Leaking intake manifold, Over filled with oil. To much fuel,engine running rich. What color is the smoke ?? What year and engine size, This would help me answer The question.
Service engine came on so I replaced the egr valve. Now after a week It is back on and most likely the egr is clogged again what could be causing this?
geo metro had a problem with the egr valve going bad causing the # 3 exhaust valve to burn, which could cause a lack of power in the engine performance. if this exhaust valve was burnt due to a faulty egr valve the new egr valve could have gotten clogged again causing a check engine light to reappear.
There is smoke coming from under your hood from the engine itself what could be causing the problem?
Most of the time it is because of leaking valve cover gaskets that drip oil on the hot exhaust manifolds.This is common on many cars.Mark.
Why does smoke come from exhaust on Land Rover discovery?
If is a whitesh smoke then the head gasket has likely blown. The coolant is what gives it that color. If it is a bluesh/blackesh color then a piston or valve has been damaged. This is the common causes.
How you know if your valve cover is bad?
The valve cover on a typical engine is a non wearing part. If it were damaged it could be bent, warped or cracked and could be the source of an engine oil leak.
