Warming up your engine
THE adage that
you should warm up your engine before driving is now outdate.
Modern engines have better lubrication, tighter clearances
and are generally more resistant to sludge formation.
Cars nowadays use an electronic fuel injection system usually
run by the engine control unit ( ECU ).
If your car's engine is cold, its computer tells the fuel
injectors to stay open longer, allowing more fuel into the
engine to help it run while it is cold.
As the engine warms up, the injectors let in less fuel and
everything returns to normal, so to speak.
Idling your car to warm it up to operational temperatures is
actually the slowest method to warm up your engine. not only
that, this method of warming up your engine could create more
problems than it solves, including plugging up your catalytic
converter. A "plugged" catalytic converter equals poor mileage
and a significantly dirtier exhaust.
In colder climates, it is advised to warm up your engine for
five minutes or so to ensure that all the fluids are
sufficiently warm enough to flow but in South East Asia with the
permanent summer-time climate, all that's needed is 30 seconds
of idling to allow for the oil to circulate through your engine.
Many components such as the wheel bearings, tyres and
suspension only warm up once your vehicle is moving, so just
start your motor, buckle your seatbelt, adjust the mirrors and
drive off at normal speeds.