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Chevrolet
3500
Engine
Symptoms
Lean
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All four O2's are reading lean rich lean rich and showing circuit fault
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JACOBANDNICKOLAS
MECHANIC
109,700 POSTS
When I copied the pictures, I would always include a portion of the previous picture so you could see where to continue from.
Pictures 1, 2, and 3 will be the larger of the two plugs.
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Thursday, August 22nd, 2019 AT 9:48 PM
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