# Ford 6.0 diesel

**URL:** <https://community.cartalk.com/t/ford-6-0-diesel/30397>\
**Category:** Power/Fuel\
**Tags:** diesel\
**Created:** [May 13, 2009, 1:42am UTC](https://community.cartalk.com/t/ford-6-0-diesel/30397 "2009-05-13T01:42:26Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![steveinvanc](https://avatars.discourse-cdn.com/v4/letter/s/3e96dc/32.png) [@steveinvanc](https://community.cartalk.com/u/steveinvanc)\
**Post date:** [May 13, 2009, 1:42am UTC](https://community.cartalk.com/t/ford-6-0-diesel/30397/1 "2009-05-13T01:42:26Z")

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Starts but runs very badly until completely warmed up. Runs great when warm.

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**Author:** ![teenchanic09](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/teenchanic09/32/1210_2.png) [@teenchanic09](https://community.cartalk.com/u/teenchanic09)\
**Post date:** [May 13, 2009, 3:44am UTC](https://community.cartalk.com/t/ford-6-0-diesel/30397/2 "2009-05-13T03:44:28Z")

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ok dude in order to get some help your going to have to give these guys ALOT more information trust me i kno. they need model year miles and engine and give a bit more detail about what going on. thatll help alot oh and if its lengthy use paragraphs

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**Author:** ![JPKansas](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/jpkansas/32/1200_2.png) [@JPKansas](https://community.cartalk.com/u/JPKansas)\
**Post date:** [May 13, 2009, 5:10am UTC](https://community.cartalk.com/t/ford-6-0-diesel/30397/3 "2009-05-13T05:10:50Z")

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I’m not incredibly knowlegeable with diesels, but my first thought is o2 sensors. Does diesels have these sensors?

yeah, we do need more info.

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**Author:** ![Joseph\_E\_Meehan](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/joseph_e_meehan/32/21_2.png) [@Joseph\_E\_Meehan](https://community.cartalk.com/u/Joseph_E_Meehan)\
**Post date:** [May 13, 2009, 11:27am UTC](https://community.cartalk.com/t/ford-6-0-diesel/30397/4 "2009-05-13T11:27:32Z")

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My guess is a coolant temperate sensor is out and your truck does not know when the engine is cold.

If this is a modern truck, then you should be getting a CEL and a indication of a sensor error.

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**Author:** ![researcher](https://avatars.discourse-cdn.com/v4/letter/r/edb3f5/32.png) [@researcher](https://community.cartalk.com/u/researcher)\
**Post date:** [May 13, 2009, 4:38pm UTC](https://community.cartalk.com/t/ford-6-0-diesel/30397/5 "2009-05-13T16:38:38Z")

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Is there a lot of white smoke from the exhaust while it is warming up?

The first thing I would check on a cold start problem with a diesel is the glow plugs and their circuitry. So far I have not seen an O2 sensor on a diesel engine. Diesels run with excess air so getting a stociometric fuel air ratio or complete oxygen comsumption of the cylinder charge can only happen at maximum torque.

Hope that helps.