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Engine Backfiring on startup

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Old Oct 29, 2012 | 06:43 PM
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604excursion
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Engine Backfiring on startup
If i let my excursion sit for a couple of days then try starting it, it will crank over but not fire. I wait a few seconds and try again and it will make a backfire sound and start up and smoke will come out of the exhaust.
Any ideas whats causing this, i have 160000 miles on the truck.
 
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Old Oct 30, 2012 | 01:11 AM
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So what engine you got?
 
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Old Oct 30, 2012 | 12:22 PM
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It's a 6.8 V10
 
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Old Oct 30, 2012 | 12:33 PM
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Change your plugs and boots if needed then get back to us.
 
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Old Oct 30, 2012 | 01:10 PM
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Try to pull engine codes...
 
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Old Oct 30, 2012 | 01:15 PM
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give you 100$ for it.
 
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Old Oct 30, 2012 | 07:25 PM
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Yeah i'm gonna try changing the plugs, i'll let you guys know if it solves the problem.
 
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Old Oct 30, 2012 | 08:02 PM
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Originally Posted by 604excursion
Yeah i'm gonna try changing the plugs, i'll let you guys know if it solves the problem.
You gotta start with a tuned engine so we can help with it.
 
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Old Oct 30, 2012 | 09:51 PM
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Originally Posted by 604excursion
Yeah i'm gonna try changing the plugs, i'll let you guys know if it solves the problem.

I'd change the boots while you're at it.
 
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Old Oct 30, 2012 | 10:01 PM
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Boots are a must.
 
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