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Posted on Jan 02, 2017
SOURCE: thick blue smoke. no oil
Hi! Chris, There are many causes of oil burning or exhaust smoke. There are three different causes of normal oil burning, 1; worn valve guides (smoking during deceleration), 2; worn cylinders and piston rings (smoking during acceleration), 3; split or worn out valve seal, or damaged intake manifold gasket (smoking all the time). Of course there are several variables in this equation. Sometimes coolant can also get into a cylinder and cause a blueish smoke. If you remove the spark plugs and use a pressure pump on the coolant system (radiator), coolant should leak into the intake manifold or cylinder. Coolant leaking into the intake manifold will leak into several cylinder through the valves. So, what year and how many miles are on the Jaguar?
Posted on Aug 09, 2008
SOURCE: Stalling and black smoke
Your truck is fuel injected . Black smoke indicates a rich fuel mixture. This could be caused by numerous items. A faulty sensor, a faulty injector, a misfiring spark plug are some of them. To really zone in on the problem, a computer diagnosis is required to note sensor readings, and repair as necessary.
Posted on Mar 30, 2009
SOURCE: blue smoke
Chances are if you are blowing blue smoke, you are burning oil. Another cause of blue tint smoke is you are burning to much fuel and not enough air. If the engine does not act erratic or acts like it is flooding out, then I would say you are burning oil. The most common problem found with burning oil is either worn piston rings, bad valve seats/seals. If the engine has high mileage, I would recommend any type of oil treatment. Change your oil, filter included, use some form of engine treatment, run it for a few hundred miles, and rechange your oil and filter again. If your engine has over 100,000 miles, I would highly recommend using an oil that is made for high mileage engines. As this oil has additives that will help ease the aging engine. If this doesn't work for you, I would say you need to have the rings and valve seals replaced. You can do this yourself with a little knowledge of engines and pick yourself up a Haynes Manual at your local auto parts store if you do not already have one. Hope this helps. Feel free to comment if you need more assistance. Please don't forget to rate. Thanks!
Posted on May 31, 2009
So upon startup the car has a little smoking going out the tailpipe? Then it goes away after the car warms up a little? You probably have stuck piston rings and are burning oil at first until the car warms up and the rings seal better. What kind of oil are you using? What weight is it? I don't know what is in the car, but if it is conventional oil at 10w-30, try changing it to synthetic and using 5w-30. I don't know what that car comes with from factory or calls for, but in my experience I've stopped oil burning in a piston engine with thinner, synthetic oil. This helps to unstick the rings allowing them to seal better AND the thinner oil doesn't collect on the rings so much, keeping it from burning or going out the tailpipe. Also, synthetic doesn't burn and carbonize like convention oil (dinosaur juice) does.
I really hope I understood your problem and helped you with it. If not, please clarify. Good luck!
Posted on Jan 31, 2010
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