Chevy/GMC Duramax 04.5-05 LLY Discussion of Chevy and GMC Trucks with LLY Duramax Turbo Diesel Engines

2005 lly

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Old 01-13-2015, 07:26 PM
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Default 2005 lly

I have a problem now.
Last week i got an overboost code. I drove the truck like that with check engine light,then a was driving the truck without flooring it too much.
Light when away I did that for a couple of times. It happens Today i took it to the mechanic Truck starts running fine. So when i was heading home i floor the truck its runnning fine i fuel up leave the station and it has no boost what can it it be the problem. I cant even hear the spool from the turbo. Could the computer be crazy right now.
1 more thing the check engine light its not even coming on now not even in start position.
PLease help
 
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