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My plugs and wires and coil pack were all changed in
My plugs and wires and coil pack were all changed in November 2017 there's a slight hestitation or sputter like it's gasping for air only when you first crank it after it's been parked for a few hours… read more
Chris (aka- Moose)
Chris (aka- Moose)
Buick Technician
Vocational, Technical or Trade School
378 satisfied customers
Vibrates heavier than usual, flashing CEL, P0300, severe
Vibrates heavier than usual, flashing CEL, P0300, severe drop in gas mileage from 25ish down to 14ish. Already changed front 3 spark plugs … read more
Edward
Edward
Professional at Justanswer.com
Associate Degree
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I have a 1997 buick lasabre 3.8 liter. I hooked up my OBD2
I have a 1997 buick lasabre 3.8 liter. I hooked up my OBD2 scanner and it said cyclinder 4 misfire so I changed all 6 spark plugs, changed all the wires amd changes all the coil packs. 2 weeks later t… read more
Dave Nova
Dave Nova
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Associate Degree
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Buick: I have a 2000 buick lesabre with the 3.8 L V6. I get
I have a 2000 buick lesabre with the 3.8 L V6. I get a #306 trouble code, #6 cylinder misfire. I have replaced the spark plugs with AC 41-101 @ .060" gap, plug wires, all three coil packs, I have veri… read more
Mike Kelly
Mike Kelly
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Vocational, Technical or Trade Scho
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Buick Regal GS: 2002 buick 3800 regal changed fule filter,pump,plugs,
2002 buick 3800 regal changed fule filter,pump,plugs, wires. still will not take gas, unhooked cat converter, same thing only louder… read more
Gary
Gary
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Vocational, Technical or Trade Scho
1,541 satisfied customers
Buick LeSabre: My buick Lesabre 95 sounds like a cylinder is
My buick Lesabre 95 sounds like a cylinder is missing. is shakes on the highway when initially accelerating and idled rough when the gear shift is in drive. I have replaced all the plugs and wires and… read more
Roy
Roy
shop foreman
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Buick LeSabre Limited: My check engine light, was on and the
My check engine light, was on and the reader (instrument) says I have "Random misfires". A short time ago (2 -3,000 miles) it said # XXXXX misfired and I replaced the sparkplug and the igniion wire. N… read more
Gary
Gary
Buick Technician
Vocational, Technical or Trade Scho
1,541 satisfied customers
Buick Century: I have a 2002 buick century. When the engine
I have a 2002 buick century. When the engine is under load (acceleration) the engine bucks, stutters and hesitates until a constant speed is reached, either slow or fast. The fuel pressure has been ch… read more
Gary
Gary
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Vocational, Technical or Trade Scho
1,541 satisfied customers
Buick Park Avenue Ultra: I have a Buick Park Avenue Ultra -99. She
I have a Buick Park Avenue Ultra -99. She has problems with the gear she'll be in when I'm driving around 70 km / h. She starts to go jumpy in that speed. I changed the spark plugs, spark plug wires a… read more
Gary
Gary
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Vocational, Technical or Trade Scho
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Buick GS: Just brought a 01 Regal gs two weeks ago, now it
Just brought a 01 Regal gs two weeks ago, now it misfires. It will rev up fine at idle, but when i drive it and give it gas it bogs out. On my way home from work one day the misfire got so bad i barle… read more
jeffrey590
jeffrey590
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Vocational, Technical or Trade Scho
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1995 Buick Riviera: started running rough..coils..ohms resistance
I have a 1995 Buick Riviera, 159K miles. It started running rough a couple of days ago. This happened once before and I got an answer from Dave Nova about the coils needing to be between 5000 and 8000… read more
Don Knight
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1987 Buick century limited: 3.8L..rev..catalitic convertor..10 miles
I have a 1987 Buick century limited with 3.8L SFI motor. It has just about stopped running te check engine light had come on the motor would not rev up. I took it to a shop they changed the catalitic … read more
Bill
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98 Regal GS: supercharged..random misfire under acceleration
Have changed 96 Riviera engine to 98 Regal GS Engine both supercharged and getting random misfire under acceleration… read more
GM Tech (Cam)
GM Tech (Cam)
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1989 buick century: 4 cyl runs rough ive replaced plugs and wires what
1989 buick century 4 cyl runs rough ive replaced plugs and wires what else should i check?… read more
Mike S.
Mike S.
Vocational, Technical or Trade Scho
8,022 satisfied customers
Misfire..the sparkplug and the coil pack for that cylinder
i was haveing a code for cylinder4 misfire the last i was here i was told to change the spark plug wire, i have done that and replaced the sparkplug and the coil pack for that cylinder. changeing thes… read more
jeepmopar76
jeepmopar76
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1987 Buick: Grand..idles../>TPS, air/ fuel filter and plugs
1987 Buick Grand National. Car idles well and starts up fine. TPS, air/ fuel filter and plugs have been replaced. Depressing accelerator causes hesitation and jerking both in park and while driving.… read more
rpmdiag
rpmdiag
High school
8,053 satisfied customers
2000 Buick: service engine soon..misfiring..cylinder..the fuel system
The service engine soon light appeared on my 2000 Buick La Sabre about 1,000 miles ago (105,000) after misfiring when I started it. Auto Zone diagnosis showed problem with #6 cylinder. I have run Sea … read more
Ron Z.
Ron Z.
- Buick Tech -
Vocational, Technical or Trade Scho
497 satisfied customers
fuel filter..engine code is still code 38 engine misfire...coil packs
I replaced the crankshaft sensor, plugs, wires, fuel filter, airfilter. The engine code is still code 38 engine misfire. The ignition control module under the coil packs is expensive. I am on a very l… read more
GM Tech (Cam)
GM Tech (Cam)
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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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