03 chevy duramax cold start problem - Diesel Bombers



Chevy/GMC Duramax 01-04 LB7 Discussion of Chevy and GMC Trucks with LB7 Duramax Turbo Diesel Engines

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Old 02-04-2013, 08:14 PM
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Default 03 chevy duramax cold start problem

i have a 2003 chevy duramax 2500HD 4x4 150K "STOCK". just replaced the glow plugs and fuel filter less than a week ago. problems still with cold start. before i replaced the glow plugs i had to plug it in to get it to start every night. i live in WA state. whats next? glow plug relay? please help before i buy the wrong parts. thanks
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Old 02-19-2013, 01:51 PM
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have you verified the GP's are getting correct voltage ?
I assume you have checked all related fuses and relays ?
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