How Do You Tell If The Crankcase Vent Valve Is Bad In Your BMW X5?
The crankcase vent valve or PCV valve is a vital emission control device.
It routes blow-by gases from the crankcase to the combustion chamber.
By doing so, it achieves the following objectives:Minimize vehicular emissions Lower the crankcase pressure Enhance the engine efficiency
If you want to keep your BMW engine healthy, keep its PCV valve in good condition.
Have a look at some of the most common signs that your PCV valve is failing.
How to know if you need a new PCV valve?
The Engine Is Losing Oil
If your car is leaking oil, your BMW X5 could have a defective oxygen sensor.
You should have your car checked by a technician to find out what the problem is.
The Engine Is Running Lean
As your PCV valve is failing you may notice that your BMW X5 is running lean.
If you don’t address the issue on time, it may result in expensive car repairs.
Declining Engine Performance
Your BMW X5 engine will perform poorly if you have a clogged PCV valve.
Nonetheless, bad engine performance should always be inspected by professionals.
Odd Exhaust Smoke
Another sign commonly associated with a faulty PCV valve is the emergence of dense exhaust smoke.
It happens due to the seepage of engine oil into the combustion chamber of the engine.
Flashing Check Engine Light
Another sign of a PCV valve problem in your BMW X5 is a glowing check engine light.
If your CEL is on, then give your BMW a check-up from a certified technician.
Final Thoughts
PCV valve failure can give rise to all sorts of performance issues in your BMW X5.
Therefore, if you’re noticing any of the aforementioned signs, don’t ignore them.
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