1190 5.0 rough start - Mustang Evolution

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Old 03-15-2016, 07:53 PM   #1
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1190 5.0 rough start

My 90 5.0 starts perfectly fine when cold but has a rough start issue when the engine is hot the gas needle drops from full to about half a tank but comes back up after a while and white smoke appears right after the start upbut does not show up again after untill its started again i dont see any mixture between the coolant and oil if anyone can help out would br appiciated
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Old 03-18-2016, 01:50 PM   #2
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Run your codes.
Check your grounds.
What's your fuel pressure?


The white smoke could be a little moisture inside the mufflers. You could also be burning coolant but doubtful if it is only on start up. Check the fluid level to see if it drops.
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