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Re: 1997 Astro, 4.3 Vortec Is the Poppet valve Stuck??
Bill, I own a 98 Astro and was sent, by GM, a warranty extension for these systems. They will replace at up to 100K under warranty. This may be a California only thing as our gas has all kinds of baby killing stuff in it. But we have cleaner air. Login to read more. ![]()
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