What happens when an exhaust valve fails?
Normally this type of failure affects the exhaust valves only, but it can also damage the intake valves. A burnt valve will cause issues with your vehicle’s performance and fuel consumption. Rough idle, reduced power, backfiring, and misfire are all symptoms of valve burn.
How much horsepower does a D16Y8 have?
D16Y8. The D16Y8 is also known in New Zealand as the D16Y6 and is one of the most desirable D16 engines. With SOHC VTEC and a compression ratio of 9.6:1, it’s capable of pushing out 127 hp at 6,600 rpm with 107 lb/ft torque at 5,500 rpm with the VTEC switchover kicking in at 5,600 rpm.
What are the symptoms of a burnt valve?
Rough Running and Misfiring
If a cylinder has a burnt valve, that cylinder won’t seal properly, leading to a loss of compression. The engine will begin to misfire and run rough as a result.