Car idles rough when hot

Asked by Oct 31, 2016 at 02:36 PM about the 1998 Buick LeSabre Limited

Question type: Maintenance & Repair

I have a 98 buick lesabre limited 3.8 engine. The
codes are 1133 and p1676. It starts fine and runs
fine until it gets hot. Then it idles rough and cuts
off at stops or if stopping suddenly. Any ideas?

2 Answers

111,105

code number P1133- IT CULD BE THE FOLLOWING Faulty Heated Oxygen Sensor (HO2S) Bank 1 Sensor, Vacuum leak - Faulty Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 harness is open or shorted ,Faulty Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 circuit poor electrical connection.

1 of 1 people found this helpful.
111,105

http://buickforums.com/forums/threads/25505-P1676-code-scanned-from-OBD

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 Park Avenue
3 Great Deals out of 397 listings starting at $1,295
Used Buick Regal
168 Great Deals out of 8,782 listings starting at $4,800
Used Buick Century
774 listings starting at $1,600
Used Lincoln Town Car
42 Great Deals out of 1,770 listings starting at $1,000
Used Honda Accord
984 Great Deals out of 59,479 listings starting at $1,099
Used Toyota Camry
915 Great Deals out of 81,893 listings starting at $999
Used Mercury Grand Marquis
39 Great Deals out of 1,744 listings starting at $1,800
Used Cadillac DeVille
1,545 listings starting at $2,995
Used Chevrolet Malibu
943 Great Deals out of 65,142 listings starting at $1,995

Used Cars For Sale

2005 Buick LeSabre Limited For Sale
3 Great Deals out of 86 listings starting at $2,550
2004 Buick LeSabre Limited For Sale
3 Great Deals out of 96 listings starting at $1,300

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.