# Diesel Question?

**URL:** https://forums.speedlife.net/t/diesel-question/186663
**Category:** PittSpeed Automotive
**Created:** [December 7, 2006, 11:52am UTC](https://forums.speedlife.net/t/diesel-question/186663 "2006-12-07T11:52:08Z")
**Posts on this page:** 1
**Showing post:** 13

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### Author: ![FourGee6Tee3](https://avatars.discourse-cdn.com/v4/letter/f/b5ac83/32.png) [@FourGee6Tee3](https://forums.speedlife.net/u/FourGee6Tee3)
#### Post date: [December 7, 2006, 8:56pm UTC](https://forums.speedlife.net/t/diesel-question/186663/13 "2006-12-07T20:56:34Z")

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> [@Nice Warm Weather](https://forums.speedlife.net/t/nice-warm-weather/26371/14):
>
> I have a few questions.
> 
> what are signs of a bad turbo.  
> what causes sparks to fly from the exhaust after idling and then press on the fuel?

Oil Smoke out of no where just suddenly starts to smoke then is continuous. Also if it sits for a couple days +, and when you first run it it wont boost untill it warms up or untill you blow all the dried oil (coke) out of the bearings.

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