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cashforclunkers · 05-02-2019, 02:35 PM

May sound stupid but have you checked for water in your fuel? I have had very similar symptoms and that ended up being it.

05-02-2019, 02:35 PM	#2
cashforclunkers Registered User Join Date: Apr 2016 Location: Orrington, ME Posts: 156	Re: po2135 GMC 2500HD 8.1 May sound stupid but have you checked for water in your fuel? I have had very similar symptoms and that ended up being it.