i have issue i cant find sollution to
first of all i have diy coil on plug because of that engine cranks for like 3 seconds before starting
when i started the car todays moring im taking about 4deg Celcius outside it cranked normally and started without any issues
but when i try to start the engine when its hot or temp outside is above 10C it ratles and u can feel whole car shaking
there are no issues after the engine starts nothing is making wierd noises nothing is shaking
it all began like a week ago all of sudden

 

ok nvm
changed sparkplugs today engine works smooth and doesnt rattle on startup anymore
kinda unexpected symptom for spark plugs going bad but ok

 

Did the old spark plugs have a large amount of buildup on them? I'd examine them, if they were relatively low mileage plugs but had a lot of carbon or oil deposits, or smelled strongly of gasoline, it could be indictive of another problem.
If they were old and otherwise looked OK then probably nothing to worry about.

 

these spark plugs probably remembered the day the car was imported from germany...
they were brown and dry
one was black and kinda sticky
i belive one of my injectors is leaking