My Car now started to hesitate and bog under accelaration. I noticed that one cylinder isn't firing well. When i unplug the wires to the sparkplug on this cylinder on idle, the engine sound barely changes but if i remove on another cylinder i see a big difference. I bought some kind of stethoscope to check if the injector is working i hear it clicking really well (might be still plugged though). Anyone has any help?.
I know that my Throttle Cable is due to be changed, could this be messing with my TPS and causing the hesitation? The cylinder and bad idle were there since i bought it but the bogging wasn't it only started since it's cold and the cable started to be sticking a bit.

I AM DESPERATE,

Car symptoms,

Idles low and shudders on idle
Bad cold start
BAD gas mileage
One cylinder misfiring
Bogging under acceleration


Things i did
All sensor parameters are ok (according to my garage)
DIstributor cap seems new previous owner changed it
Compression is ok
New Platinum Plugs


HELP me someone I'm tired of paying and still having the same problem.