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#1
03-29-2010, 02:24 PM
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1998 Tahoe with 5.7 Spark knocking problem
I have a 1998 Tahoe with 5.7 350 4x4 with about 150,000 miles and I am having a problem with spark knocking when accelrating. What could be the cause of this. It has new plugs, wires, cap.
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#2
03-29-2010, 07:33 PM
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Re: 1998 Tahoe with 5.7 Spark knocking problem
Welcome to AF: Lots of causes for this and I will list some for you.
1. Inop Knock Sensor. 2. Carbon build-up in the combustion chamber and on the top of the pistons. 3. Vacuum leaks. 4. Wrong heat range spark plugs installed. 5. Poor fuel quality.
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57 Chevy 210 65 Olds 442 Convertible (Another one sold) 75 GMC Vandura 3/4 Ton 1999 K2500 Old Body Style Suburban (Gone but not forgotten) 05 Dodge Ram 3500/5.9 Cummins 2012 Toyota FJ Cruiser
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