00:00The negative effects of BMW PCV valve failure on engine performance from experts in Simi Valley
00:06The positive crankcase ventilation PCV valve plays a critical role in controlling emissions
00:13from your BMW. However, failure of the PCV valve can have adverse effects on the smooth running
00:19and better performance of the car. Here are the negative effects of a failing PCV valve on your
00:25high-end BMW. Decreased miles per gallon
00:29One of the negative effects of a bad PCV valve in your BMW is witnessed when the fuel mileage of
00:38the vehicle dips drastically. Your BMW has a fixed miles per gallon both for driving in the city and
00:45on the highway and any deviation from this should draw your attention. If you happen to visit the
00:50fuel station more often than you used to do previously, then it is due to a faulty PCV valve.
00:57Poor performance
00:58The malfunctioning of the PCV valve casts an adverse effect on the performance of your high-end vehicle.
01:09The PCV valve helps in rerouting unburnt fuel present in the exhaust gases back into the engine
01:14for an efficient combustion process. Due to the failure of the PCV valve there is a build-up of
01:20pressure in the engine which takes a toll on the performance of the car. Smoke from exhaust
01:25All modern cars including your BMW come equipped with advanced emission control systems like PCV valves.
01:37The failure of the PCV valve will lead to the emission of a huge quantity of exhaust smoke from
01:42the exhaust pipe of your car. Most drivers report witnessing the emission of black colored smoke
01:48from the tailpipe of their car. Unusual noise from the engine
01:52Due to a malfunctioning PCV valve, you are going to hear a hissing, whistling, or whining noise coming
02:02from the engine. The hissing sound is mostly caused due to a leak in the hose connecting your PCV valve to
02:08the engine. Whenever you get to hear any of these abnormal sounds, then you must straightaway head
02:14to a BMW specialist to replace the PCV valve. Conclusion
02:19These are some of the negative effects of a faulty PCV valve on the performance of your BMW.
02:29Get in touch with a certified repair shop to get your BMW inspected and fixed at the earliest.
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