do the basic
enigine oil & filter change,
engine air filter check or change
spark plug check or change
ATF oil change
check tire & pressure (pressure higher will help), replace tyre if necessary
try not to switch aircon to the lowest temp, somewhere u are comfortable with.
mine's at 25 degree
drive at normal speed, do not sprint or accelrate unnecessary
clear yr boot of things u do not need
lose some weight if yr r too heavy...(heehehe...jus kidding)
...more if i think any...
lastly, if still can not, bring to Tan Chong for
checks...maybe filter injector dirty, air & fuel ratio NG...etc
Not necessary to repair at TC, jus check and pay some $
cheers