Once we are sure that all of the easier stuff to check is not causing the blue smoke, it’s time to turn to the inside of the engine. Here is a really great video from YouTube that shows exactly how you would go about doing so.Īfter checking the PCV valve, it’s time to move onto the turbo (turbocharged vehicles only) or glow plugs (diesel only) and see if either of them are bad. It’s far and away the easiest thing to check. The first thing that you’re going to want to do is check the PCV valve. When you see blue smoke, you need to find out how oil is getting into your Escape’s combustion chamber. They are caused by different engine problems. If one of the plugs has gone bad, it’s going to cause blue smoke until the motor has warmed all the way up.īlue smoke is different than white or black smoke. Glow plugs warm up the engine enough for the combustion of diesel fuel when a diesel engine is cold. Usually it’ll be a big plume of blue smoke as this happens. When a turbocharger goes bad, it will allow oil to get sucked into the combustion chamber. If it stays open, oil will build up in the intake, and you’ll end up with blue smoke coming from the exhaust as this oil is burnt.Īs auto manufacturers constantly push for better fuel economy, turbochargers have been finding their way into regular, everyday vehicles.
2006 FORD ESCAPE BLUE FREE
It opens and closes, which keeps the intake free of oil. Your Escape’s PCV system is responsible for taking the pressure that builds up in the oil pan and moving it to the intake side of the engine. This is most common in high mileage engines and is a sign that the bottom end has worn out. When the piston rings fail, oil passes through them and into the combustion chamber, and you’ll get blue smoke from your exhaust. This keep oil out of your Escape’s combustion chamber. On top of this, piston rings are wrapped around the piston for an even tighter fit. The gap between the cylinder wall and the piston is so tiny that you can’t get a piece of paper in-between them. But, it’ll be at its worst when the engine is starting up, as oil has had time to seep past the valve seals while it’s sitting.Įach piston in the vehicle’s engine is responsible for compressing the air and fuel mixture into a smaller and smaller space before the spark plug fires. If your Escape’s valves are worn, you’ll see a hint of blue smoke while the engine is running. Valve seals are utilized to keep the oil from riding down the valve stem and into the combustion chamber while the valves are letting air and fuel into the cylinder. They are lubricated like the rest of the motor. Your Ford Escape’s valves let both air and fuel into the combustion chamber. Here are the most common causes of blue smoke coming from your Escape’s exhaust: The question is how is oil getting into the combustion chamber?īlue Smoke From Exhaust Causes: Ford Escape Reasons for blue exhaust smoke include bad valve seals, valve train wear in general, the PCV valve, burning transmission fluid and more.īlue smoke indicates that your Escape’s engine is burning oil. A very common problem that affects all vehicles (including the Ford Escape) is blue smoke coming from the exhaust.
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