crankcase ventilation, suck out gas that escaped from combustion into block
What's the function of this tube?, On my Kelisa
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 Jan 12 2019, 10:15 PM
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Jan 13 2019, 07:50 AM
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QUOTE(netmatrix @ Jan 12 2019, 10:33 PM) That is definitely not PCV valve hose. It does not come out from valve cover and is too small. PCV hose usually links to the intake hose after the air filter before throttle body. simple car only has two hoses to intake manifold and these are always vacuum hoses if behind throttle body This tiny hose attaches after throttle body. It could be a throttle body heater hose or vacuum advance hose. But cannot be certain.  almost always the two hoses are brake booster vacuum and PCV valve. throttle body heater is always coolant line and needs clamps EFI has no use for vacuum advance only carburetor and old old distributor systems. Anything EFI is almost always controlled by electric relay, solenoid, actuators . |
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