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Why do people with diesel cars insist on leaving the engine running if at all possible?

I have a mate who has a diesel people carrier and leaves it ticking over outside his house even if he’s popping in for 10 minutes.
I’ve also had taxi drivers who I’ve asked to wait but have left them running for a good while even in the early hours.
Buses seem to do it to if they’re early and have to wait at a stop for 10 minutes.

Is there a mechanical or economical reason?

Just curious.

there is no mechanical or economical reason- they just think their diesels sound cool.

This entry was posted on Sunday, September 6th, 2009 at 7:32 pm and is filed under diesel cars. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

3 Responses to “Why do people with diesel cars insist on leaving the engine running if at all possible?”

  1. there is no mechanical or economical reason- they just think their diesels sound cool.
    References :

  2. no mechanical or economical reason unless it was 50 below outside
    References :

  3. If it is turbocharged, it is a bad idea to shut down until the exhaust gas temp gets into the 300 f range. Oil will coke and damage the turbo over time. I have a turbo temp monitor that shuts it off when it gets to the right temp.
    References :

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