One cylinder in a Daewoo Leganza may have no compression due to several potential issues, such as a blown head gasket, a damaged piston, or a malfunctioning valve. A blown head gasket can allow coolant or oil to enter the combustion chamber, while damaged pistons can lead to loss of sealing. Additionally, if the intake or exhaust valves are stuck open or damaged, they may prevent proper compression buildup. Conducting a compression test or a leak-down test can help diagnose the specific issue.
The movement of the piston from BDC to TDC.
Most of the times when you have low compression on one cylinder it's an indication that the head gasket is blown. If more than one cylinder has low compression and is hard to start the you most deffinatly have a blown head gasket
High compression is usually caused by either excessive carbon build up, excessive fuel being injected or oil or coolant getting into the cylinder.
sounds like your engine needs a valve job worn piston rings would also cause low compression ,but not cause the backfireing
If it is causing the cylinder to misfire, yes.
A "Bad cylinder" or "dead cylinder" is a cylinder with Low compression psi. Symptoms: rough running low power can cause high oil consumption
No compression in one cylinder can be caused by several factors, such as a blown head gasket, a damaged piston, or a broken valve spring that prevents the intake or exhaust valve from sealing properly. Additionally, excessive wear or damage to the cylinder walls can lead to loss of compression. If the cylinder is not sealing correctly during the compression stroke, the air-fuel mixture will escape, resulting in zero or very low compression readings.
A cracked or broken piston will cause a loss of compression, as will cracked or broken rings. The failure of a head gasket will also cause a loss of compression, as will broken, cracked or badly worn valves or valve seats. A crack in the cylinder itself (either the sleeve or the engine block), or a crack in the head itself will cause a loss of compression. A problem with the plug threads or the threads in the head (for engines that have plugs) can cause loss of compression, and injectors (for engines that have them) can leak around the threads, either because the injector threads or the threads in the head have been damaged.
No compression in one cylinder can be caused by several issues, including a blown head gasket, a damaged piston or piston rings, or a problem with the valve mechanism such as burnt or stuck valves. These issues can lead to a loss of sealing within the cylinder, preventing it from building pressure during the compression stroke. It's important to diagnose the problem through a compression test and potentially a leak-down test to determine the exact cause.
Coil pack and the spark plug- check compression
Maybe a bad valve
Bad are burnt intake or exhaust valve. Pistion rings broken, Burned pistion. Blown head gasket. That is all that would cause no compression are a loss of compression.