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John Kissel · 05-28-2013, 03:10 PM

Did you try the following, clean the mass air flow sensor, clean the throttle body, check the intake manifold gaskets, is there any oily residue in the intake manifold from the crankcase vent. system, and do you use any type of injector cleaner. I use the Lucas fuel treatment with excellent results in my '95 F-150 (195k), '99 5.7 Suburban (115k), BUT Chevron Techron has worked miracles in my wife's '06 TrailBlazer SS (135k) that has had similar problems to yours.Believe me, I know full well how frustrating this stuff is. Carbs. and distributors forever!!

05-28-2013, 03:10 PM	#5
John Kissel Member Join Date: Sep 2012 Location: Colt's Neck, n.j. Posts: 349 Likes: 766 Liked 230 Times in 94 Posts	Re: 2001 Chevy 1500HD engine question Did you try the following, clean the mass air flow sensor, clean the throttle body, check the intake manifold gaskets, is there any oily residue in the intake manifold from the crankcase vent. system, and do you use any type of injector cleaner. I use the Lucas fuel treatment with excellent results in my '95 F-150 (195k), '99 5.7 Suburban (115k), BUT Chevron Techron has worked miracles in my wife's '06 TrailBlazer SS (135k) that has had similar problems to yours.Believe me, I know full well how frustrating this stuff is. Carbs. and distributors forever!!