Spark plugs clean karwa lo no issue lekan tappet adjustment ki need hai tou karwao agar masla hai warna fazul awein cheze cherney ka faida nahi hui. mechanics open tou karten mostly lekan phir thek se sari cheze chorna nahi ata unko ya chorte he nahi k ji zarurat nahi hai, koi masla ho tou hum idar he hain wapis ajana ya hum b asey sari gariyo ko karne hain koi nahi bat tou nahi etc etc..
Baki check list is with you. Do check them jo necessary hai usko thek ya replace ya top up karwa do. After all you are the owner of the car. you know better