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Thread: Lack of power
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Old 06-26-2019, 10:55 PM   #4 (permalink)
Diesel Boss
G2GBY's Avatar
Join Date: Aug 2017
Posts: 1,248

Last fuel filter change?
Air filter good?
Have you cleaned your MAF sensor?
Is your rail pressure getting up to 29,000 psi?
If you have time Google "duramax LML lack of power" lots to read

Last edited by G2GBY; 06-26-2019 at 11:06 PM.
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