Chevy/GMC 6.2L and 6.5L Discussion of Chevy and GMC Trucks with 6.2L and 6.5L Diesel Engines

please help weak 6.2

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Old 05-26-2011, 09:53 PM
fastbird79's Avatar
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Default please help weak 6.2

Hello glad to be here.

I got an older 6.2 diesel with a banks turbo kit and loved it tell last week.
The problem: it's loosing power and just getting worst mechanically it still runs good but just getting slow!!
Got new fuel filters. I Noticed the worst it's getting the higher my exhaust temps are getting and less boost I'm getting.
Please help!!!
 
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Old 05-27-2011, 12:23 AM
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Are you hearing any vacume leak sounds, you may have a leak in one of the silicone coupler in the turbo piping or check the vacume actuators for the turbo and lines.
 
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Old 05-27-2011, 12:53 AM
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loook a the plentum for a leak my 6.2 with a banks turbo blew 1 of the small rubber caps in the manifold and started loosing power
 
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Old 05-27-2011, 02:51 PM
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I've check for any leaks intake or otherwise. It's got good take off but after a few seconds it just cuts out. I replaced the lift pump and it ran good for a week but just getting worst. Ho and another thing that I noticed is wen the power cuts out the motor quites down and it don't sound like a diesel any more, no clatter like a diesel does.

---AutoMerged DoublePost---

Here's an update, today I noticed that one of my injectors is leaking from the threads, would that be my problem?
 

Last edited by fastbird79; 05-27-2011 at 02:51 PM. Reason: Automerged Doublepost
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Old 06-04-2011, 05:24 PM
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High EGT and low Boost could also be from exhaust leak per turbo or maybe cross over pipe can also be bad air filter
 
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