WebOne or more fuel injectors may become stuck closed causing an engine misfire and the check engine light to illuminate. Our technicians tell us that this problem can be caused by some fuel additives . There are special procedures which may be able to restore the affected injector. If this fails the affected injector must be replaced. WebMar 20, 2024 · Engine warning light: if your car develops a misfire as a result of bad Injectors, lousy spark plugs, low fuel pressure, or any other causes, it will cause the warning light to pop in the dashboard. Check …
Symptoms of a Bad or Failing PCV Valve Hose - YourMechanic
WebBy having a bad PCV valve, air and fuel can escape from the engine, which can result in oil burning. If the oil is not changed regularly or becomes contaminated with dirt or particulate matter, this could pose a serious fire risk. A bad PCV valve can cause a misfire. As a PCV valve controls oil pressure, it can easily malfunction and cause ... WebJul 20, 2012 · I guess due to bad PCV. by the way but I change the valve cover gasket anyway on a 135K car. I found that bad PCV can cause misfiring due to incorrect air/gas … tengku ahmad ismail age
How much oil can a bad PCV valve burn? Here is the answer
WebMar 24, 2024 · A broken vacuum line can cause fuel-injected motors to misfire, so look around the engine bay for any severed or damaged rubber lines coming from the engine’s intake manifold (usually near the top of the engine with the intake leading into it). [8] Replacing a bad vacuum line may resolve the misfire or help the engine run better. 3 WebJun 7, 2024 · As the PCV valve starts going bad, the performance of your vehicle will get worse. This can be exhibited by a buildup of pressure in the exhaust or the engine could stall out. When this happens, the fuel and air mixture is diluted causing your vehicle to run poorly and lean out. The most common symptoms of a bad PCV valve are a rough idle and engine performance issues, along with a check engine light on your dashboard. You may also notice that your engine has high oil consumption and see blue smoke coming from the exhaust. Here is a more detailed list of the bad PCV valve … See more PCV valve stands for Positive Crankcase Ventilation, and it is one of the oldest and most used emission devices in many vehicles. The PCV valve’s functionis to eliminate crankcase emissions from the crankcase and send … See more Some common trouble codes appear with a faulty PCV valve. If you experience any of these trouble codes from your engine control unit, it’s … See more The average PCV valve replacement cost is between $50 and $250, depending on the car model and labor costs. A PCV Valve mostly costs between $20 and $50. The labor cost is between $30 and $200 at a mechanic … See more The PCV Valve is often located on the valve cover, on the top of the engine, but it can also be on a hose between the valve cover and the air intake filter. Just follow the hose on … See more tengku abdul aziz