Topic: Burnt Exhaust Valve
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Answers to Common Questions
How does a burnt exhaust valve affect emissions?
You would get high CO's (unburnt fuel) @ idle and @ high speed, Depending on how bad and how many vales are leaking. It would fail most smog tests. You could do a compression testto see whitch cylinder is low. Hope this helps, Ben Parker, S... Read More »
Source: http://wiki.answers.com/Q/How_does_a_burnt_exhaust_valve_affect_e...
How do I know if I have a burnt exhaust valve?
Because of their constant heat exposure, exhaust valves are some of the most likely to be burnt in vehicles. This can cause both serious and annoying problems. If you suspect that your exhaust valve has been burnt, you should get it replace... Read More »
Source: http://www.answerbag.com/q_view/1899806
How Intake & Exhaust Valves Work
Valves define what it means to be a four-stroke engine. All engines require air and fuel for combustion inside their closed combustion chambers; after combustion, those used gases must depart to make room for more air and fuel. Intake and e... Read More »
Source: http://www.ehow.com/about_6510538_intake-exhaust-valves-work.html
More Common Questions
Answers to Other Common Questions
Pretty much what it says, fatigue and heat actually burn a hole usually on the edge of a valve causing that cylinder to lose compression.
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Source: http://wiki.answers.com/Q/What_is_a_burnt_valve
Cornell, Depending on the problem and the number of valves to do and if it is a 4 cylinder with just one head or a V6 with two heads the cost can vary. For a six cylinder about $500 bucks US is a baseline and up to $1500 depending on the n...
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Source: http://en.allexperts.com/q/Nissan-Repair-825/2008/7/burnt-exhaust...
Answer 1 The name is self-explanatory--it is a valve which controls the release of an exhaust. In an internal combustion engine [autos, gss lawn equipment] for example, the exhaust valve opens after the fuel has burned [combusted] in order ...
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Source: http://wiki.answers.com/Q/What_is_an_exhaust_valve
Exhaust valves open at the appropriate time to allow the burnt gasses to escape.
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Source: http://wiki.answers.com/Q/What_is_the_function_of_exhaust_valve
conduction
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Source: http://wiki.answers.com/Q/What_is_the_exhaust_valve_cooled_by
In the cylinder heads. The larger valves are the intakes. You'll notice that the passageway leads to the exhaust ports where the manifolds or headers attach.
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Source: http://wiki.answers.com/Q/Where_are_the_exhaust_valves_in_the_350
a burnt valve looks like a wide crack in a valves' head. when a motor runs too lean, the cylinders heat up too much, causing the head of the valve to heat up faster than it can dissipate the heat, causing the valves' head to crack. once the...
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Source: http://wiki.answers.com/Q/What_is_a_burnt_valve_in_a_motor_of_a_c...
