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My 03 Buick lesabre is showing code for p1811. No I haven't
No I haven't tried to set it and all I know I had my car codes ran and that was the last code to show up … read more
Eric
Eric
Retired
N/A
33,956 satisfied customers
2005 Buick Lesabre 3800 stalls. has code p0102 p0350 p1350
2005 Buick Lesabre 3800 stalls. has code p0102 p0350 p1350 p1811. installed a new mass air flow sensor. didn't fix problem… read more
Amedee
Amedee
Automotive Consultant
Vocational, Technical or Trade Scho
19,701 satisfied customers
Second opinion] 2001 Buick LeSabre Limited parts car has
Second opinion] 2001 Buick LeSabre Limited parts car has Heads Up Display. Question 1 : Are its components reasonably transferable to a 2003 Buick LeSabre Custom, as an upgrade? Question 2: Are HUDs g… read more
Eric
Eric
Retired
N/A
33,956 satisfied customers
2005 buick rendezvous 3.4l while driving say 30mph and you
2005 buick rendezvous 3.4l while driving say 30mph and you go to pass someone it falls flat on its face for a few seconds. rpm does not increase or decrease feels like lack of fuel but have 50lbs at i… read more
Roy
Roy
shop foreman
Associate Degree
4,599 satisfied customers
Code p1811 - seems to run smooth until after 20 minutes then
code p1811 - seems to run smooth until after 20 minutes then has jerking movement moving from 1st to 2nd gear. … read more
K. Wiggins
K. Wiggins
ASE Certified Technician
Associate Degree
3,680 satisfied customers
I HAVE A 2004 BUICK LESABRE AND I HAVE THESE CODES P0463,
I HAVE A 2004 BUICK LESABRE AND I HAVE THESE CODES P0463, P1811 AND P0463 WHAT NEEDS TO BE FIXED TO GET RID OF THESE CODES?… read more
Jerry
Jerry
Service consultant
Vocational, Technical or Trade Scho
13,107 satisfied customers
Buick LeSabre Custom: I got p1811 code on my 2004 Buick LeSabre
I got p1811 code on my 2004 Buick LeSabre and temperature below thermostat minimum range...… read more
Gary
Gary
Buick Technician
Vocational, Technical or Trade Scho
1,541 satisfied customers
1995 Buick LeSabre: loud..sputtering..my mechanic..find anything wrong
I have a 1995 Buick LeSabre that is suddenly very loud. A few weeks ago, the engine was sputtering when I tried to start the car. If I waited 30 minutes or so, it would start and run okay. I took it t… read more
Neal
Neal
Auto repair pro, 30 years experience
Associate Degree
8,213 satisfied customers
buick: run fine..sensor to the pcm terminaal or pin 33 connector..eng
please excuse my frustration but i been on this buick for a week now and spoke with several different tech. i followed there advice to the letter and still have the same problem i need an experienced … read more
Gary
Gary
Buick Technician
Vocational, Technical or Trade Scho
1,541 satisfied customers
2000 Buick LeSabre Custom: Car runs fine, starts fine
2000 Buick LeSabre Custom. Car runs fine, starts fine. Then will go to start, nothing. No clicking, no noise. Battery, alternator, starter all check out fine. When I turn switch to start nothing happe… read more
BOBBYSS
BOBBYSS
Automotive Repair/Damage Investigator
Associate Degree
14,595 satisfied customers
DTC Codes P0742 and P1811..Check Engine..engine warms..cold engine
DTC Codes P0742 and P1811 detected from "Check Engine" light. When engine warms up, the transmission "clunks" when shifting gears. With cold engine, works fine. Went on line and do not see that P1811 … read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
30,680 satisfied customers
1998 Buick Lesabre: 10 miles..I put car in neutral and re start
I have a 1998 Buick Lesabre with a 3800 LeSabre Series II engine. For last 3 weeks my engine will CUT OFF after I've driven approx 8-10 miles. I put car in neutral and re start my engine. Car works fi… read more
John
John
Buick Master Technician
2 YEARS COLLEGE
731 satisfied customers
2003 Buick LeSabre: 1st thru 3rd gear during acceleration..000 miles
I own a 2003 Buick LeSabre and I've noticed recently that the transmission is shifting hard from 1st thru 3rd gear during acceleration. It has been maintained per manufacturer recommendation. It has 1… read more
Dave Nova
Dave Nova
Buick Technician
Associate Degree
1,808 satisfied customers
2003 Buick lesabre: automatic..We drove 500 miles..tight
2003 Buick LeSabr automatic. We drove 500 miles in hot weather. Next day we were coming down a very steep, tight, windy road with 5 people in the car. Signs on the road warned to shift into a lower ge… read more
GMTechBernard
GMTechBernard
Owner / Technician
High School or GED
2,157 satisfied customers
I a hard shifting problem with my 2005 Buick LeSabre some time
I a hard shifting problem with my 2005 Buick LeSabre some time after having a trans flush (shop also added Lubegard). Checked trans fluid level and it was correct. The problem only happened one time a… read more
GM Tech (Cam)
GM Tech (Cam)
Owner/Technician
Vocational, Technical or Trade Scho
26,890 satisfied customers
I have a 2002 Buick LeSabre and my Service Engine Soon warning
I have a 2002 Buick LeSabre and my "Service Engine Soon" warning light came on. My owners manual says it regards XXXXX XXXXX mechanic told me the code # XXXXX means that my transmission needs to be re… read more
Travis
Travis
Vocational, Technical or Trade Scho
979 satisfied customers
1999 Buick Regal: Service Engine Light was on..two codes
I took my 1999 Buick Regal to the dealer. Service Engine Light was on. They said there were two codes set. P1404 and P1811, they said the P1811 was set 1100 miles ago. We have had no trouble with the … read more
ZZDaryl
ZZDaryl
Lead Auto Tech
Some college and advanced training
11,465 satisfied customers
Buick lesabre: DTC..PCM detects maximum allowable shift time
I have a 03 Buick lesabre with a 4T65E transmission. It had a P1811 DTC. PCM detects maximum allowable shift time. The transmission has just been rebuilt. Continues to shift very hard after warm up an… read more
GM Tech (Cam)
GM Tech (Cam)
Owner/Technician
Vocational, Technical or Trade Scho
26,890 satisfied customers
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Meet the Experts:

Dave Nova

Dave Nova

Buick Technician

1,808 satisfied customers

ASE Master Certification. GM World Class Certification

Gary

Gary

Buick Technician

1,541 satisfied customers

15 years master GM tech and mater ASE tech

John

John

Buick Master Technician

731 satisfied customers

ASE A1-A8 w/L1 GM master technician.Factory certified with 40 years experience.

George H.

George H.

ASE Certified Technician

536 satisfied customers

ASE Master 15+years

Don - Mo Lurch

Don - Mo Lurch

Buick Mechanic

535 satisfied customers

GM, Chevrolet Cert., Heavy Line Mech, Race Shop Owner, Mobile Electronics.

Ron Z.

Ron Z.

- Buick Tech -

497 satisfied customers

18+yrs experience. State Inspector and Buick Diagnostics

Chris (aka- Moose)

Chris (aka- Moose)

Buick Technician

55,778 satisfied customers

16 years of experience

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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