Question about 1999 Chevrolet Silverado 1500

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I have a problem with my 1999 chevy silverado4.8 liter v8 it shutters and surges when its cold once it warms up it runs fine i already put on a fuel filter cut off the cats and put a new massflow sensor on it

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Pull the pluga and check the color of the electrode, if any are a light color you are getting coolant into the combustion chamber, then its either a head or intake gasket,

Posted on Nov 11, 2010

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