i changed the thermostat on my 1999 bonneville now it wont run

Asked by Nov 26, 2016 at 07:53 PM about the 1999 Pontiac Bonneville 4 Dr SE Sedan

Question type: Maintenance & Repair

it just started running weird and all i had done
is added a little oil.so i checked it out. and
immedeatly went home and changed oil and
got to correct level i checked to make sure i
hadent un plugged anything and i disconnected
the battery for a while to reset the computer.
but it started 20 min before i changed the

1 Answer


Hi/let's back up a second.when is the first time any thing went wrong.what happens now when you start the car.there is something missing here.trying to help

Your Answer

Pontiac Bonneville Experts

  • #1
  • #2
  • #3
View All

Related Models For Sale

Used Pontiac Grand Prix
1,920 listings starting at $3,000
Used Chevrolet Impala
379 Great Deals out of 27,771 listings starting at $1,499
Used Chevrolet Monte Carlo
964 listings starting at $3,300
Used Pontiac Firebird
6 Great Deals out of 658 listings starting at $4,999
Used Buick LeSabre
9 Great Deals out of 1,213 listings starting at $799
Used Ford Mustang
317 Great Deals out of 38,894 listings starting at $1,995
Used Buick Regal
108 Great Deals out of 4,259 listings starting at $5,979
Used Chevrolet Camaro
267 Great Deals out of 30,511 listings starting at $4,200
Used Pontiac Grand Am
756 listings
Used Buick Park Avenue
309 listings starting at $4,499
Used Nissan Maxima
236 Great Deals out of 18,395 listings starting at $1,500

Used Cars For Sale

2005 Pontiac Bonneville For Sale
53 listings starting at $2,000
2004 Pontiac Bonneville For Sale
49 listings starting at $3,395

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.