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HDi fun · 14-11-2007, 01:38 PM

I beg to differ on this one. Build up of acid gases is more likely to cause a problem if the engine is switched off before it's fully warm. Typically this happens in short journey cars, hence the reason they often drive badly with very few miles on the clock.

I think 30 seconds idle is a good thing with a cold engine, just to get a little bit of heat into the oil and get it circulating. Clearly, 30 minutes is going to cause problems as you describe.

14-11-2007, 01:38 PM	#5 (permalink)
HDi fun Moderator Torque Junkie Car: Peugeot 406 Join Date: Apr 2006 Location: SOUTH EAST Posts: 2,075	I beg to differ on this one. Build up of acid gases is more likely to cause a problem if the engine is switched off before it's fully warm. Typically this happens in short journey cars, hence the reason they often drive badly with very few miles on the clock. I think 30 seconds idle is a good thing with a cold engine, just to get a little bit of heat into the oil and get it circulating. Clearly, 30 minutes is going to cause problems as you describe.