hi guys i m really nill about cars engine etc and dont even recognise the engine parts...my father owned me vitz 2000 manual a year ago and recently i observed that the cars pick is somewat disturbed...my car aint having cng and its on petrol..so i took it to nearby mechanic...they cleaned up fuel pump and radiator and plugs etc,dont know exactly and they told me that ur air sensor was not working so they replaced it for me for about 1200 rupees...so guys is there any one who can tell me that did he cheat me or the price is awrite??