How do you know if your PCV is stuck?
Symptoms of a Stuck Open PCV Valve
- Engine misfires at idle.
- Lean air-fuel mixture.
- Presence of engine oil in PCV valve or hose.
- Increased oil consumption.
- Hard engine start.
- Rough engine idle.
- Possibly black smoke.
- Oil fouled spark plugs.
What happens when PCV is clogged?
If the PCV valve hose is clogged or has a leak, it may cause poor fuel economy. This is because the vacuum on the intake side of the cylinder head will not be able to properly signal the correct amount of fuel that needs to be fed into the engine and can result in a lean or rich engine condition.
Is the Volvo oil trap the same as a PCV valve?
Those of us over a certain age remember older cars having a PCV valve (Positive Crankcase Ventilation). The Volvo oil trap accomplishes the same thing as a PCV valve which is allow the engine to breath. You may not know this but the combustion engine needs air coming in and therefore air going out.
Where is the oil trap on a Volvo?
This is fairly easy to explain because on just about every Volvo model the oil trap is located to the side of the engine block underneath the intake manifold. A few exceptions are when the oil trap is actually built into the oil filter box on Volvo C30, C70 2006-Up, S40 2004.5-Up and V50 models.
What causes oil to accumulate in the PCV system?
The accumulation of moisture in the oil is usually caused by: 1 frequent short trips (usually under 10 miles) 2 a restricted fresh air flow in the PCV system 3 coolant leaking into the engine
What kind of oil to put in P trap?
Our current plumber said he adds 1/4 c (?) of olive oil to p-traps that aren’t used often or are hard to get to (under a washing machine). The olive oil simply sits on top of the water preventing evaporation. Even if a little water goes through the drain, some of the oil remains and continues to work.