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crankcase

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Symptoms of a Bad or Failing Positive Crankcase Ventilation (PCV) Valve
Common signs of a faulty PCV valve include excessive oil consumption, oil leaking, a blocked breather filter, and reduction in overall performance.
How Long Does a Crankcase Vent Filter Last?
The The crankcase vent filter is connected to a breather tube that connects the crankcase and then has access outside to clean air. The clean air then flows back in through the crankcase vent filter and into the engine to...
Symptoms of a Bad or Failing Crankcase Vent Filter
Common signs include oil leaks, excessively high idle, and a decrease in engine performance, power, and acceleration.

Related questions

Won't crank.
Depending on if you overheated the engine and it still has the cracked radiator, then you may have more than one problem. You may have a problem with the crankshaft sensor (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-crankshaft-position-sensor) if you are not getting spark. You said...
I changed the crankcase vent tube, now the transmission won't shift
If the transmission was shifting fine prior to replacing these parts, then you need to start by double checking your work. Something may have been left loose or may not have been installed correctly. It is possible that the transmission...
Air sucking into oil dipstick
Hi, thanks for writing in. If the crankcase is building up pressure that will not equalize, then you have a clogged crankcase ventilation system, such as the crankcase air filter may be bad. Have the PCV valve (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-positive-crankcase-ventilation-pcv-valve) and air...
Startup difficulty after filling the gas tank
Hello. If this started right after getting fuel, then you may have gotten bad gas. It sounds like the fuel might be mixed with something else. If the fuel is fine then the fuel pump may be failing (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-fuel-pump). If...
No more engine oil 2005 Ford Mustang
Hello - If you have lost all the engine oil through the oil pan, there is no doubt broken internal engine damage. Most likely, this is a broken connecting rod (https://www.yourmechanic.com/question/car-knocking) or piston. Attempting to restart the engine would be...
2007 Dodge Grand Caravan hard detonation problems
Take a compression tester and check the compression of each cylinder. This will determine how much pressure will hold in the cylinders. If the pressure is 120 or higher, then the cylinders are okay. If the pressure is lower than...
Excessive oil burning - 1986 Buick Electra Station Wagon
Hello. If the PCV system is not hooked up correctly, this will cause excessive oil burning. This needs to be checked and repaired first. If the PCV system (https://www.yourmechanic.com/services/positive-crankcase-ventilation-pcv-valve-replacement) is working then the issue is more than likely the piston...
The car won't start, battery works
Hi there. If the battery is fine, then it may be a bad battery cable, starter, or even the security system. I usually try a spare key if there is one and also try starting it in neutral to make...

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