1999 Blazer no start, P0339 code

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Dec 31, 2022 | 02:18 PM

#41

GeorgeLG

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Joined: Jan 2007

Posts: 4,625

From: Florida

Video boroscope and iphone.

George

Dec 31, 2022 | 03:23 PM

#42

FtgSteve

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Joined: Jun 2022

Posts: 22

Looking down each port under the plenum?

Dec 31, 2022 | 03:34 PM

#43

GeorgeLG

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Joined: Jan 2007

Posts: 4,625

From: Florida

I don’t remember what the visibility is like down the ports from the intake manifold side, I’m going to ask Les for an assist on this one, he has more recent engine building activity.

George

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