Hi everyone recently I bought a 2001 Volvo S60 2.4T I have the engine running great now but the only problem now is hesitant/slipping/hard shifting transmission problems when I got the car it had two transmission related codes I think one was P0180 and P1618 the transmission fluid does look gross an...

Hi everyone today I got a 2001 Volvo S60 2.4T with 170k on it, and it has a bad misfire but the people before me definitely didn't take care of it so I'm hoping that it's just bad spark plugs so anyway I'm going to try to change them out tomorrow I was wondering which plugs would be best and what is...