[QUOTE so I checked the top vent for blockages and found no problems.
Dennis[/QUOTE]
Did you check the bottom intake area? Also, just in case mice or critters did you look into the flue? If you can't see into it try putting a fan against the intake and see if there is a draft out the top vent.
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2017 SLX 195RB
2021 Jeep Grand Cherokee Summit L 5.7L V8
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