Number 1cylinder miss firing what can i do to

Barbara, Check the attached links, door mechanism.
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2005 Toyota Corolla driver door mechanism Google Search

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Coolant getting into #1cylinder could cause this.

yes it dose

check dizzy cap and rotor for cracks, burnt edges and carbon tracking, if this doesn't help distributor has a vaccum and or mechanical advance systems these can give same problem

Of course your car is sluggish, cylinder number one is misfiring, that is why the flashing check engine light, if you continue to drive this car this way you risk the exhayst system overheating and starting a fire. Ge the car tested for the cause of the misfire asap.

1 and 4 fire off same coil so i would feel conifedent saying either the wires or the coil is bad we do several coils at the dealership please rate this info

Have someone get the VIN on the car, go to a toyota dealership and see if they can have a set made. This can't be done with the newer vehicles, but they should be able to help you.

check cam or crank senso if distributorless ignition if as distributor check rotor or cap for moisture or cracks

check for the red fuses those are usually power fuses check all red fuses make sure they are not burned