why can't i get heat auto control 2009 mercury grand marques

Asked by Dec 17, 2015 at 02:01 PM about the 2009 Mercury Grand Marquis

Question type: Maintenance & Repair

2 Answers


AUTOMATIC When AUTOMATIC is selected: NOTE: If conditions require heat, until the engine is at operating temperature, the blower motor will operate in low and airflow will be directed to the defroster ducts. The air inlet door vacuum control motor is automatically controlled depending on airflow location and desired temperature. The panel door and floor/defrost door vacuum control motors are automatically controlled depending on desired temperature. Blended air temperature is available. The A/C compressor will operate if the outside air temperature is above approximately 4°C (39°F). Blower motor speed is automatically controlled. If the fan speed override button is pressed in AUTOMATIC mode, the fan speed will no longer be automatically controlled.

1 of 1 people found this helpful.

And do what sherrifstech said on your other post.

1 of 1 people found this helpful.

Your Answer

Mercury Grand Marquis Experts

  • #1
    Tracy Hooks
  • #2
  • #3
View All

Related Models For Sale

Used Lincoln Town Car
13 listings starting at $1,850
Used Chevrolet Impala
156 Great Deals out of 1,110 listings starting at $2,950
Used Ford F-150
509 Great Deals out of 10,018 listings starting at $3,490
Used Dodge Charger
60 Great Deals out of 776 listings starting at $3,400
Used Cadillac DTS
24 listings starting at $5,100
Used Ford Mustang
1,034 listings starting at $3,900
Used Chrysler 300
70 Great Deals out of 837 listings starting at $3,295
Used Honda Accord
59 Great Deals out of 1,262 listings starting at $1,215
Used Chevrolet Tahoe
4 Great Deals out of 912 listings starting at $8,500
Used Ford Taurus
36 Great Deals out of 329 listings starting at $5,555
Used Chevrolet Silverado 1500
162 Great Deals out of 12,230 listings starting at $1,895
Used Buick LaCrosse
8 Great Deals out of 335 listings starting at $5,950

Used Cars For Sale

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.