2003 chevy duramax cold start problem - Diesel Bombers



Chevy/GMC Truck and Duramax Turbo Diesel Forum Discussion of General Topics related to All Chevy and GMC Trucks as well as the Diesels in them

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Old 02-05-2013, 04:31 PM
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Default 2003 chevy duramax cold start problem

2003 chevy duramax 2500HD 4x4 150K miles, STOCK. i just replaced my glow plugs and fuel filter and it seemed perfect for two days, now its turning over too long again. mainly cold start. whats next? glow plug relay? glow plug controller? help please. any input would help at this point. thanks
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Old 02-06-2013, 09:03 AM
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What's is the temperature when you try to start?
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Old 02-07-2013, 10:26 PM
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ranges from 30-40 degrees F. since i replaced the glow plugs and fuel filter it starts but still turns over longer than normal. and even when warm still turns over a little too long. could it be injecters? or glow plug relay? i primed the fuel filter and messed with the bleeder. im pretty sure i worked all the air out of the lines. thanks
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