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2014 Chevy Silverado
Platform: Truck, GMT 400, 800, & 900

passing gear sputter

   
Old December 13th, 2011, 10:26 AM
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Default passing gear sputter
ever time i kick into passing gear my 97 z71 it sputters until i let off. it accellerates fine idles fine and quite. the truck has 240000 miles and is all stock. i believe it`s the cat. but i`ve drove a truck a year ago before i got this and it did the same thing. i figure this may be a common thing but i`d like a little more info. thanks.
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Old December 13th, 2011, 10:57 AM
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Hook up a vacuum gauge and read THIS.

Do you get any codes?
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Old December 13th, 2011, 12:08 PM
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no codes but i`ll do a vacuum check on it
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Old December 16th, 2011, 12:13 PM
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Check your fuel pressure and fuel filter also.
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