I have a 04 Bui the hit the gas rpms go up but the car really goes nowhere takes awhile for it to even go and if you're at a stop sign and you go to can smell feel like its running really rich in the

Asked by Nov 17, 2015 at 06:22 PM about the 2004 Buick LeSabre Limited

Question type: Maintenance & Repair

Just note after I change plugs and wires the
car ran like a brand new car and then all
sudden couple months later is when is
started acting like this

2 Answers

79,795

If the car just sits there with the engine revving then your transmission is probably shot but check the fluid level before getting a new trans. If it is just running really rich then check your air cleaner to see if it is dirty but you may have a leaking fuel injector. Does your motor oil smell like gasoline? Are your spark plugs black and sooty?

Something similar happened with me. I have an 04 LeSabre. Step on the gas and it crawls up to speed after barely moving. It was also having a severe misfire problem with a strong smell of raw gas. All of this happened suddenly one day when I started it. Found a corroded connector on one of the three ignition coils. Replaced the wire and the coil pack but nothing changed. Replaced the ignition control module (ICM) and it worked! The ignition control module is the piece that the distributor pack sits on. It was a bit expensive to replace but Rock Auto and Amazon have some good prices.

Your Answer

Buick LeSabre Experts

  • #1
    Tom Demyan
    Reputation
    2,270
  • #2
    John Saffrahn
    Reputation
    2,030
  • #3
    Austin Gaboda
    Reputation
    1,440
View All

Related Models For Sale

Used Buick LaCrosse
315 Great Deals out of 18,404 listings starting at $1,450
Used Buick Park Avenue
3 Great Deals out of 398 listings starting at $1,295
Used Buick Regal
175 Great Deals out of 8,872 listings starting at $4,800
Used Chevrolet Impala
538 Great Deals out of 35,320 listings starting at $900
Used Buick Century
777 listings starting at $1,600
Used Lincoln Town Car
50 Great Deals out of 1,765 listings starting at $1,000
Used Honda Accord
1,032 Great Deals out of 59,785 listings starting at $1,099
Used Toyota Camry
951 Great Deals out of 82,112 listings starting at $999
Used Mercury Grand Marquis
38 Great Deals out of 1,735 listings starting at $1,000
Used Cadillac DeVille
1,562 listings starting at $2,995
Used Chrysler 300
321 Great Deals out of 18,081 listings starting at $990
Used Chevrolet Malibu
976 Great Deals out of 66,081 listings starting at $1,000

Used Cars For Sale

2005 Buick LeSabre Limited For Sale
4 Great Deals out of 81 listings starting at $2,550
2004 Buick LeSabre Limited For Sale
3 Great Deals out of 93 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.