7.3 if cold wont start

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Sep 10, 2010 | 03:00 PM

#61

CSIPSD

Diesel Bomber

Joined: Sep 2007

Posts: 7,638

Likes: 638

From: Bend OR

Quote:

Originally Posted by tinyg70

my 03 7.3 runs rough until the engine warms up completly, takes 20-30 mins even in summer. what can i do or check to improve on this?

Welcome to the site...

Few questions for you...

How many miles on the truck?

Any mods to the truck?

Last oil change?

Last filter changes?

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