Why does my outside Temperature sensor register ok to start, but after about 10 minutes of driving it starts to decrease slowly to - degrees. air stops cooling as it gets to 32 or below.

Asked by Jul 29, 2016 at 11:45 AM about the 1998 Pontiac Grand Prix 4 Dr GTP Supercharged Sedan

Question type: General

temperature states out at normal temp and air is cold.  after about 10 minutes
temperature states to drop until it gets to minus degrees and air is not cold.  
Happens every time I drive. Just now has about 90,000 miles.  do not drive a
lot on long trips.

1 Answer

254,455

Might be a fault sensor.

Your Answer

Pontiac Grand Prix Experts

  • #1
    Js08016
    Reputation
    4,390
  • #2
    Tom Demyan
    Reputation
    2,990
  • #3
    munron
    Reputation
    2,400
View All

Related Models For Sale

Used Pontiac Bonneville
3 Great Deals out of 524 listings starting at $1,799
Used Chevrolet Monte Carlo
14 Great Deals out of 1,311 listings starting at $1,950
Used Pontiac Grand Am
1,064 listings starting at $1,899
Used Ford Mustang
712 Great Deals out of 38,333 listings starting at $895
Used Chevrolet Camaro
426 Great Deals out of 30,918 listings starting at $3,550
Used Chevrolet Malibu
1,118 Great Deals out of 71,687 listings starting at $2,499
Used Pontiac Firebird
12 Great Deals out of 777 listings starting at $2,999
Used Honda Accord
1,130 Great Deals out of 62,430 listings starting at $1,199

Used Cars For Sale

2008 Pontiac Grand Prix For Sale
15 Great Deals out of 415 listings starting at $1,995
2007 Pontiac Grand Prix For Sale
9 Great Deals out of 384 listings starting at $1,675
2006 Pontiac Grand Prix For Sale
464 listings starting at $3,995
2005 Pontiac Grand Prix For Sale
4 Great Deals out of 347 listings starting at $1,500

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.