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I was reading the 2002 Owner's Manual and found this paragraph on page 127 under Fuel Economy.
"A cold engine uses more fuel than a warm engine. It is not necessary to warm-up a cold engine by letting it idle for a long time. You can drive away in about a minute, no matter how cold it is outside. The engine will warm up faster, and you get better fuel economy."
What do you guys and girls think?
I am going to drive away in a minute of warm up.
I drive away right after about a minute. Of course my cars sleep in the garage. With the S2000 you are not going to VTEC until you get the three bars else the rev limiter will kick in and cut you off.
I never warm my car up for long. I read an article long ago which explained that a car will warm up to operating temps much faster if you drive it instead of letting it idle.
warming up an engine was necessary in the past when carburators were used. with modern fuel injection equiped engines, warm up serves little purpose. not only a cold engine uses more gas, an idling cold engine also causes the most engine wear.
I warm up my car long enough to get my seat belt fastened, back it out of the garage, and get the garage door closed. Then I drive very slowly for a mile or so, until I get past the 25 mph streets in my neighborhood, then I drive normally. I keep it under 6000 rpms until I see three bars on the temperature gauge.
Of course, mine never gets driven when it's too cold to have the top down. If you live in Northern Minnesota (or somewhere in Illinois) and leave your car out overnight, you might want to warm it up a little longer.