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Generation III Internal Engine 1997-2006 LS1 | LS6
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engine surge

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Old 04-09-2007, 01:37 PM
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Default engine surge
what would cause this? I am getting a surge at idle from 750 rpm to around 1k then back to 750. Nice and steady, very smooth surge.
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Old 04-09-2007, 01:38 PM
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You may need a tune-up. Could also be the EGR system leaking air or could be a small vacuum leak.
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Old 04-09-2007, 03:36 PM
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i just did a tune up and I took my TB apart to clean it up. Perhaps I did not tighten it back down? I'll spray when i get home and see if I find any bubbles?
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