HKS Turbo Timer - Toyota Yaris Forums

fmicle · 10-22-2009, 01:09 PM

But I thought turning off the engine was better (mpg-wise + wear and tear) over idling for more than 20 seconds or thereabouts... I turn my engine off at the traffic lights that I know are going to take a while.

As far as I know the longevity of an engine is affected by the number of "cold starts", but starting the engine after waiting at the traffic light for 90 seconds can hardly be classified as a "cold start".

Brentorius · 10-22-2009, 01:12 PM

Quote:

Originally Posted by fmicle

But I thought turning off the engine was better (mpg-wise + wear and tear) over idling for more than 20 seconds or thereabouts... I turn my engine off at the traffic lights that I know are going to take a while.

As far as I know the longevity of an engine is affected by the number of "cold starts", but starting the engine after waiting at the traffic light for 90 seconds can hardly be classified as a "cold start".

Wear and tear are worst at startup IMO

Tamago · 10-22-2009, 01:19 PM

Quote:

Originally Posted by fmicle

But I thought turning off the engine was better (mpg-wise + wear and tear) over idling for more than 20 seconds or thereabouts... I turn my engine off at the traffic lights that I know are going to take a while.

As far as I know the longevity of an engine is affected by the number of "cold starts", but starting the engine after waiting at the traffic light for 90 seconds can hardly be classified as a "cold start".

starting an engine at any time means you're cranking without oil pressure

go read the book "drive it forever"

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10-22-2009, 01:09 PM	#1
fmicle Drives: 2007 Yaris LB Join Date: Mar 2007 Location: San Jose, CA, USA Posts: 685	But I thought turning off the engine was better (mpg-wise + wear and tear) over idling for more than 20 seconds or thereabouts... I turn my engine off at the traffic lights that I know are going to take a while. As far as I know the longevity of an engine is affected by the number of "cold starts", but starting the engine after waiting at the traffic light for 90 seconds can hardly be classified as a "cold start".