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I'm troubleshooting my 1996 with surging idle in closed loop operation. It's an LT1 with 50k miles. The idle is smooth and normal when cold and in open loop mode. When the engine is hot, the idle will run at about 600 rpm and surge intermittently to about 900 or 1000 rpm and then come back down...

Hello - I just replaced the water pump, distributor cap & rotor, and serpentine belt on my '96 LT1, and now the idle speed is surging from 500 rpm up to 800 or 900, and then back down again. The idle speed is steady upon cold startup, and begins to surge once the engine is hot. I've checked and...

Finally, at age 53, after admiring Corvettes since I was in grade school, I purchased my first. It's a 1996 Collector Edition LT1 with a red interior and 47k miles. I bought it about a month ago, and I love it more every time I drive it. I have a lot to learn about how to take care of it and...