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 replaced or replace it yourself as soon as possible.Burnt Valve DiagnosisMost people first suspect a burnt exhaust valve because their engine starts to backfire, or make associated popping or guttural noises that are more connected with exhaust than with direct engine operation. One of the most accurate ways to confirm a burnt valve, or at least a valve problem, is to perform a compression test. A faulty exhaust valve will affect compression most of all. A more immediate test may be possible if you want to wait for your engine to cool before starting it again and putting your hand on the exhaust pipe while it is cool. If there are any signs of suction, you may have a burnt exhaust pipe. The most direct way to notice a burnt exhaust valve is by looking at th
