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I have a 2003 Duramax that wont start if the temp outside is hot. Starts fine when the weather is cool. I have to prime it to restart and if it's very hot (90 deg or more) it won't start at all no matter how ... JOIN NOW TO REMOVE TRACER

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  #1  
Old 07-17-2010, 04:39 PM
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Default Wont start when hot

I have a 2003 Duramax that wont start if the temp outside is hot. Starts fine when the weather is cool. I have to prime it to restart and if it's very hot (90 deg or more) it won't start at all no matter how much I prime it. I had to wait until the evening when it cooled down to prime and restart. Other than that it seems to run just fine. Any ideas?
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  #2  
Old 07-18-2010, 12:27 PM
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So when you tried starting it turned over fine the same as at night or when cooler out?
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  #3  
Old 07-18-2010, 12:57 PM
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Yes, it turns over fine. For some reason it's not getting fuel after running on a hot day when I turn it off and go to restart.
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  #4  
Old 09-06-2011, 10:58 PM
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Check your fuel filter heater element. Gets hot and goes dead like a bad fuel pump.
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