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  1. FWD DeVille 1985-2005, Fleetwood, and 60 Special
    I've been following threads on this topic but this one's got me confused. I've got at 2004 base model Deville that has intermittent heat on both the driver and passenger sides at the same time. Sometimes while driving the vents will go cold, then may heat back up. I'm getting a B 0429 code...
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