I've experienced that cars which has catalytic converter gives poor response in pick and speed after driven 1lak km on odo.
I want to know my city idsi has such catalytic converter also and I did every experiment on it's speed improvement and pick but Nothing is helping. Engine, clutch, pressure plate, coils, tappet, plugs, Mac and cam sensor and air cleaner, throttle body, everything is perfect.
Car is on gas and in petrol it's top speed is 130 and in gas also Same speed. In petrol it gives that knocking type sound also when accelerator paddle is pushed hard.
Expert opinion required.
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