1991 GMC Sonoma "crankcase pressure" Questions

is ok is the PCV valve working and the hoses in good condition? If that is ok then check for excessive engine crankcase pressure due to piston rings being worn or a scored piston to cylinder wall

...pressure, using too light a viscosity oil, oil breakdown, dirty oil or dirt in the crankcase, excessive blowby from worn rings and/or cylinders (gasoline dilutes and thins the oil), incorrect engine ...

can tell if any anti freeze in oil. Pull oil filler cap, check it for residue. Finally, look in the crankcase (under the valve cover) to see if you notice a "milkshake" looking discoloration to engine

...crankcase pressure sensor located in a 2004 Pt Cruiser Chrysler PT Cruiser crankcase pressure Questions ... - Fixya www.fixya.com > ... > crankcase pressure > Cars & Trucks > Chrysler Chrysler PT ...

...pressure in the crankcase of a mazda 2005 6 excessive pressure in the crankcase. have already replaced the pcv valve. still no good Have you checked the hose from the valve cover to the air cleaner ? ...

...crankcase pressure. Check all the `crankcase breathers and the valve cover breathers. if the crankcase has been overfilled with engine oil. The crankshaft has to "beat" it's way through the oil and ...

worn that they overwhelm the PCV system. The valve sucks out the vapors and a fresh air hose from the air filter housing to the top of the valve cover keeps normal atmopheric pressure in the crankcase

crankcase pressure that causes it to pop-up? If so, check crankcase ventilation system/pcv. It might be possible that you have so much crankcase pressure, that ventilation system can't handle it, then

...crankcase pressure for some reason? I've seen a melted piston cause so much crankcase pressure, it blew the pcv valve out of the valve cover and sprayed oil all over the engine compartment. Is your ...

...covers from blowing off during a backfire. Excessive Oil in the breather is a result of excessive crankcase pressures, usually due to a worn engine, specifically rings. SOME oil is normal, ...