smoke

Asked by Jun 01, 2019 at 08:47 PM about the 2001 Mercury Grand Marquis LS

Question type: Maintenance & Repair

smoke is coming out my vents on heat and ac dose not smell like antifreeze
what could it be?

1 Answer

23,380

In humid weather your A/C can make a fog of ice crystals that looks like smoke. Run the fan faster to melt the ice on the evaporator core, or turn off the A/C for a while. That's normal on systems that run strong.

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