General Question

kevbo's avatar

Will frequently shutting off the engine to prevent long idling shorten the life of the starter?

Asked by kevbo (25672points) June 13th, 2008

I’m looking up stuff on hypermiling, and one suggestion is to shut off the engine whenever one expects to idle longer than 10 seconds or so. Is this a recipe for sending your starter to an early grave? Mine’s a 2005 Toyota if that matters.

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4 Answers

ccatron's avatar

A friend of mine just sent me a link to an article on Hypermilling…I have the same question as you do about this. I would think that the pieces and parts used to run the car would get worn out a lot quicker.

Knotmyday's avatar

Don’t do it. The effect on gas mileage will be minimal, and the wear on all the little metal parts rubbing against each other in your motor would be increased.
The old advice is still the best- overinflate your tires a bit, take off more slowly from stops, use your cruise control whenever possible, get it serviced often, don’t speed.
Try to get away from the trap of treating your car as if it were just a gas tank attached to a pedal; we all do some times. Me too! Bicycling does wonders for your gas mileage as well ;^)

marinelife's avatar

Kev, this is a job for the Car Guys. You should call Tom & Ray tomorrow!

kelly's avatar

most cars with fuel injection or carburator are set to run rich fuel mixture (more fuel until engine warms) during the starting process. So if you were to micro measure the fuel use, you likely use more by starting than by idle

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