Question about 1997 Ford Escort
I need to identify the part that installs on the engine,the pcv valve goes into it(in a grommet) then the hose goes on over to the intake.Is it the evap canister?Or the canister purge valve?Or something else?It looks like it has a massive oil leak,plus ,it may be contributing to the idling problem.Thanks,Dave Braun.
The part that you describe is the valve cover, yes they do leak oil, especially if the pcv system is not working properly
Posted on May 15, 2009
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Posted on Jan 02, 2017
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The blowby vapors that end up in an engine's crankcase contain moisture as well as combustion byproducts and unburned fuel vapors. The crankcase is sealed to prevent the escape of these gases into the atmosphere, but the vapors must be removed to prevent oil contamination that leads to sludge formation. The positive crankcase ventilation (PCV) system siphons these vapors from the crankcase and routes them into the intake manifold so they can be reburned in the engine.
The main component in the PCV system is the PCV valve, which is usually located in the valve cover. A hose connects the PCV valve to the intake manifold. A second hose between the air cleaner and crankcase or other valve cover (V6 or V8 applications) provides fresh air to help flush the vapors out of the crankcase. Some engines have a separate air filter for the PCV breather hose located inside the air cleaner.
Probably not read above for details.
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