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An engine with a burned exhaust valve, for example, is going to blow hydrocarbons out the tailpipe until the head is pulled and the valve problem is fixed. The same goes for other internal engine problems such as broken rings, cracked pistons, worn or scored cylinders, etc.
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www.aa1car.com/library/2000/ic60032.htm
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Answer: A "burned valve" is a valve that has overheated and lost its ability to hold a leak-free seal. Valve burning is usually limited to exhaust valves because they... ... My mechanic says me engine has a "burned valve." What does that mean? ... The exhaust valve sheds most of its heat through the seat, so when the face and...
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autos.yahoo.com/maintain/repairqa/engine/ques053_1.html
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* Question 2 * What causes the exhaust valve to get burned out? My understanding is that when it's not due to a defective valve, it comes from running too lean -- or having the timing out of adjustment. * Question 3 * Is it a question of maintenance?
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www.realbig.com/miata/1994-06/217.html
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Loss of compression means the cylinder loses most of its air/fuel mixture before it can be ignited. The most likely causes here are a leaky (burned) exhaust valve or a blown head... ... The most likely causes here are a leaky (burned) exhaust valve or a blown head gasket. If two adjacent cylinders are misfiring, it's likely...
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www.neuralblog.com/_content/Auto-Technology/DIAGNOSING-...
www.neuralblog.com/_content/Auto-Technology/DIAGNOSING-MISFIRES_bid-347_pn-1.html
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An exhaust is a series of pipes that links the engine to a silencer and a catalytic converter and brings the exhaust gas outside the vehicle. The functions of the exhaust system include: noise reduction, direct exhaust fumes away from passengers, and improve the performance of the engine and fuel consumption.
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www.jpartsonline.com/jeepexhaust.html
www.jpartsonline.com/jeepexhaust.html
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Blue smoke usually means oil is being burned off in your combustion chamber. That usually happens with worn piston rings, worn valve seals and/or worn valve guides. As cars get older, there seals will wear and oil can seep past ... That's condensed water that formed in your exhaust system the last time the car was running.
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en.allexperts.com/q/Mitsubishi-Repair-824/little-white-...
en.allexperts.com/q/Mitsubishi-Repair-824/little-white-smoke-coming.htm
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Pulled the head and #4 ehxaust valve was burnt pretty badly and looked like crossfiring between #2 and 3. ... The end result, burned exhaust valves, blown head gaskets and bent rods in a very short period of time. When you get the engine rebuilt, check those rods, you should back off on the engine timing by one to two...
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www.boatkb.com/Uwe/Forum.aspx/cruising/3303/Rats-Burned...
www.boatkb.com/Uwe/Forum.aspx/cruising/3303/Rats-Burned-exhaust-valves-in-my-140
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This invention concerns a two-cycle internal combustion engine having a plurality of exhaust valves for each cylinder, and where during each exhaust valve control cycle, which includes a plurality of sequential combustion cycles of the engine, the exhaust valves open alternately.
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www.patentgenius.com/patent/5213070.html
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Exhaust Valve; Stainless Steel Valve & Accessories Free 1 - 2 Day Shipping. Order Now!; ... a valve through which burned gases from a cylinder escape into the exhaust manifold ... Search another word or see Exhaust valve on Thesaurus | Reference...
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dictionary.reference.com/browse/Exhaust%20valve
dictionary.reference.com/browse/Exhaust%20valve
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