LB7 Performance Discussion of Chevy and GMC Trucks with LB7 Duramax Turbo Diesel Engines Related To Performance And Longevity

Popping sound from injectors?

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Old Nov 23, 2012 | 08:53 AM
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Default Popping sound from injectors?

2003 Chevy Silverado HD Duramax LB7 5" Exhaust ,cortex programmer, K&N Filter

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I just replaced the injectors in my 2003 duramax LB7 it was running fine when I took of to test it down the road it sounded like a pop noise it seams like a loud winding noise not the normal noise from the turbo don't know what to think any ideas.
 
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Old May 3, 2013 | 01:17 AM
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Boost leak?
 
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Old Jun 16, 2013 | 06:33 PM
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^^^ That would be my guess
 
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