There can be many reasons for a misfire, some serious, some trivial. For example in many cases it’s just a fouled spark plug. Sometimes it’s an ignition fault. On other occasions it can be more serious such as damaged/worn piston rings letting oil past and causing the cylinder to lose compression.Click to see full answer. Similarly, you may ask, how much does it cost to fix a cylinder 2 misfire?It depends on the cause. For example, if the misfire is caused by a bad on-plug ignition coil, which is quite common on many newer cars, the repair might involve replacing a bad coil and all the spark plugs. This could cost $300-$400 for a 4-cylinder engine or $450-$700 for a V6.Also, can I drive with a cylinder 2 misfire? An engine misfire can be caused by bad spark plugs or imbalanced air/fuel mixture. Driving with a misfire isn’t safe and can damage your engine. what would cause a cylinder 2 misfire? Defective ignition coil(s) Bad spark plug(s), spark plug wires, or spark plug boots. Faulty fuel injector(s) Malfunctioning fuel delivery system (fuel pump, fuel pump relay, fuel injectors, or fuel filter)Will a misfire always throw a code?A random misfire code usually means the air/fuel mixture is running lean. But the cause might be anything from a hard-to-find vacuum leak to dirty fuel injectors, low fuel pressure, a weak ignition coil, bad plug wires, or compression problems. Even a dirty MAF sensor can cause a lean code and/or misfire to occur.
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