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You turned key off, no spit and sputter like no feul, just turned off…

Customer Question
started truck it ran 3to5...
started truck it ran 3to5 seconds then died like you turned key off, no spit and sputter like no feul, just turned off. will not start. 2006 lby 140000mi never a problem.. till now.....i checked all fusses all good. i ran truck pulling trailer for about 70 mi. then stopped turned truck off for 1 hr then started truck like normal this is when it ran 3+ sec. and turned off
Submitted: 8 years ago.Category: GM
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Answered in 6 hours by:
6/17/2010
GM Mechanic: John, GMC Technician replied 8 years ago
John
John, GMC Technician
Category: GM
Satisfied Customers: 9,176
Experience: ASE MASTER TECHNICIAN/40 years experience
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Chat Conversation Started
john :

Hello & Welcome to JA,

john :

Your problem could be a fuel pressure problem caused by A ceramic high pressure valve ball fracture inside the fuel injection pump may lead to internal pump damage resulting in low fuel rail pressure. This condition may contaminate the common fuel rails and fuel injectors with debris. The fuel injection pump may operate, but with reduced output flow

john :

I suggest pumping the "bulb" on the fuel filter housing to prime system to see if this has any sffect or engine starts.Since all engine controls are computer operated,the next thing to do would be to scan the computer fault codes & data to verify data parameters.

Customer: i hav e checked the codes a d found no codes
john :

ok,pump the fuel bulb on the filter.

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