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'02 Denali pulsing at high speed

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07-27-2006, 08:28 PM

pitt079

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'02 Denali pulsing at high speed

Just changed plugs and wires @ 100k. Now at 102K I'm noticing at 50+ mph, there is a occasionally a slight pulse. No check engine light...no codes. I don't notice the rpm's drop b/c it is so slight and sporadic almost as if it was starving for fuel. If I take my foot off the gas for a sec, seems to go away. Any ideas?

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pitt079

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