Make sure you check the EGR valve, mine went bad and it gave me a multiple cylinder misfire code... It means it is misfiring on more than one cylinder. A new set of plugs and or plug wires may fix the problem. But it can also be many other things. Vacuum leak, fuel injector problem, etc ALSO coil packs can give you a code for multiple random misfires
Repair.
A constant.
12
cut it
Take it to a competent gunsmith
No need to remove the cylinder. If it needs maintenance to fix a problem, take it to a gunsmith
To fix a sticking door, you can try tightening the hinges, sanding down the edges of the door, or applying lubricant to the hinges.
Many people mistake a loose cylinder for the normal cylinder play while the gun is in the unfired position with the hammer at rest, the trigger forward. With the gun in the fired position, the hammer having hit the firing pin and the trigger pulled back, the cylinder should be somewhat tighter and not have as much play. This is normal, to have more play in the unfired position and should not be corrected. For a true "loose cylinder" with too much play or movement, you would have to replace the cylinder and yoke assembly and then fit the revolver with a new hand to time the action properly. This requires skill and is not an amateur undertaking.
Heavy grease at the joint.
Clean the throttle body
The best thing you can do is replace the caliper.
you need the key to fix it.
Do not attempt to "fix" ammunition. Dispose of it properly. Ask your local police for help.
Best left to a qualified gunsmith.
There are a couple simple ways to fix a sticking garage door. The simplest is to make sure the area around the sensor is clear of debris. Double check to make sure the door is on track.
Replace the master cylinder.