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2001 buick century service enging soon light flashing rough
2001 buick century service enging soon light flashing rough idel but runs fine on hwy … read more
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Gary
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Vocational, Technical or Trade Scho
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Ron
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New Cadillac Converter Glowing Red and Not Working.
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I have a 98 buick century that wont idle 3.1 l. motor ran
i have a 98 buick century that wont idle 3.1 l. motor ran great until i changed the thermostat and cleaned the throttle body ive tried a new idle air snesor, mass air flow sensor checked for vacum lea… read more
jazzmaster
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1991 Buick Regal with 3.1. Has intermittent "performance issue". When it runs bad it has rough idle, sluggish "low power" acceleration, hard downshifts, delayed up-shifts, bad fuel economy (limp home … read more
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Dave Nova
Dave Nova
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2001 buick century: wiring..end but on the passenger side..driver side
on a 2001 buick century 3.1, how many wiring harnesses are on the coil packs 3 or 4? I changed the intake gaskets and this car has sat for 3 months. The coil packs have 2 harness plug in spots on each… read more
Gary
Gary
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Buick Century: v6..mi..a hard miss, at least one cyl
02 Buick Century 3.1 v6, 114k mi. Runs well most of the time and gets good fuel mileage. But, has a hard miss, at least one cyl. maybe more when at approx 20% throttle. Happens primarily when motor is… read more
Dave Nova
Dave Nova
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2000 buick: Sabre..has no acceleration...cylinder misfire
2000 buick La Sabre. has no acceleration. i'm getting a code 300 ( multi cylinder misfire ). I changed all 3 coil packs, plugs, wires and injecters on cylinders 2 and 5. Still runs and idles rough. st… read more
Jerry
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buick century: motors out of a 92 and replacing it with a 3.3..firing
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marcpod
marcpod
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Mike S.
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1996 Buick Century: the 3.1 V6 and the motor started stumbling..idle
I have a 1996 Buick Century with the 3.1 V6 and the motor started stumbling/shaking when at idle.… read more
Gary
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99 Buick Century: Litre..it started idling very rough..runs fine
I have a '99 Buick Century with a 3.1 Litre. Recently it started idling very rough and gives a code P0171 "System too lean (bank 1)". Engine runs fine at higher RPM - problem is only @ idle. What do y… read more
Dan
Dan
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1996 Buick Century: Car runs great at lower rpms..stumbles..revs
I just replaced the intake manifold gaskets on 1996 Buick Century 3.1. Car runs great at lower rpms, but stumbles a higher revs & has code P0300 showing. It ran great before I changed gaskets, but lea… read more
Dave Nova
Dave Nova
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2002 buick regal: 3.8l..v6..intermittently..a check engine light
2002 buick regal 3.8l v6 does not shift intermittently. Checked codes because it showed a check engine light and it showed P0301… read more
Dan
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Vocational, Technical or Trade Scho
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Car is idling hard when not in movement, accelation is poor.
Car is idling hard when not in movement, accelation is poor. Buick Century 96' 6 cylinder custom… read more
Steve
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A rough idal Ihave replaced o2 sensor ,TPS,IAS and alternator set TPS
I have a rough idal Ihave replaced o2 sensor ,TPS,IAS and alternator set TPS at 0.39 and still have rough idal any suggestions on what to try next?… read more
Gary
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1994 BUICK CENTURY: IT WONT IDLE WELL...THROTTLE..SURGES
1994 BUICK CENTURY. I CHANGED THE PLUGS AND WIRES AND NOW IT WONT IDLE WELL. WHEN I PRESS THE THROTTLE IT SURGES AND POPS. I CHECKED THE WIRES AND ALL IS CORRECT. WHAT ARE THE SYMPTOMS OF A BAD THROTT… read more
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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

378 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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