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Re: 1997 Astro, 4.3 Vortec Is the Poppet valve Stuck??
Posted to Technical Discussion Forum on 6/6/2002 4 Replies

It sure sounds like you've got a stuck poppet. I usually don't even bother throwing a gauge on it for the injector balance test. If the misfire counters are showing a miss on #2, and the LTFT for that bank is elevated (and the other bank is normal) I'll use th... Login to read more.

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