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2003 GMC Sierra 2500 HD 6.6L No Start, very hard start
Posted to GM Driveability on 1/21/2011 11 Replies

truck has a hard start problem. turns over good, no air leaks in fuel system found, glowplgs work good no intake restrictions. problem occurs after it has been sitting for a while, hot or cold. runs good once running and doesnt smoke. if you shut it off, will ...

11 Replies Received (View Replies)

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car Vehicle Data

2003 GMC Sierra 2500 HD

VIN [No VIN Available]
Engine6.6 L / 8 cyl / DIESEL
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsNo Start, Very Hard Start
OccursAlways, After Prolonged Periods of Sitting, Hot or Cold
Message Closed

car Vehicle Data

2003 GMC Sierra 2500 HD

VIN [No VIN Available]
Engine6.6 L / 8 cyl / DIESEL
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsNo Start, Very Hard Start
OccursAlways, After Prolonged Periods of Sitting, Hot or Cold