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I have 2002 buick century with that error message. Do you
I have 2002 buick century with that error message. Do you have advice specific to that model? … read more
Mechanic01
Mechanic01
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Evap blockage code. Replaced the purge valve and the gas
Evap blockage code. Replaced the purge valve and the gas cap. Even Blew out the evap lines. Service engine light is still on. … read more
Gary
Gary
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Vocational, Technical or Trade Scho
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Buick century 2001 code 0446 is pending after purge valve,
buick century 2001 code 0446 is pending after purge valve, vent valve, gas cap, filler neck, and now fuel tank pressure sensor has been done. just drove a complete cycle and light comes on. car runs f… read more
eauto
eauto
self employed
High School or GED
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I have a 2000 Buick century with 3100 v6. it will start and
i have a 2000 Buick century with 3100 v6. it will start and run 1-2 seconds and then die. if you feather the throttle just right it will run rough for another extra couple seconds and then die. I can … read more
Gunvir Singh
Gunvir Singh
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I replaced vent valve and oil pressure switch. Showing 4
I replaced vent valve and oil pressure switch. Showing 4 incomplete monitors but no check engine light. Ran several drive cycles. What else can I do? … read more
Ivan Alvarez
Ivan Alvarez
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Got p0446 change gas cap and canister purge silonoid its a
Got p0446 change gas cap and canister purge silonoid its a 2003 century 3 … read more
roy
roy
Associate Degree
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Buick Centurt: Hello again I have a 2002 Buick century 45000
Hello again I have a 2002 Buick century 45000 mi 3.1 v6 car runs good but has one code p0446 evap emission system vent control circuit any thing you can help me with here I changed the purge selonid b… read more
Ron Z.
Ron Z.
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Vocational, Technical or Trade Scho
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Im in GA and need to pass the emmission test every year. Buick
I'm in GA and need to pass the emmission test every year. Buick Regail, 98, good millage, 89623 miles. I added CRC05063 in the tank and filled out the gas. normally I need to run out of whole tank of … read more
Eric
Eric
Retired
N/A
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I have a 98 Buick century custom .I have got codes po336&po442
I have a 98 Buick century custom .I have got codes po336&po442 my car is a automatic 3.1 ltr.front wheel drive and the check engine light is on all the time what is the problem,Thanks… read more
Pete
Pete
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Vocational, Technical or Trade Scho
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Buick: Hi, I have P code, P0446 Evaporative Emission System
Hi, I have P code, P0446 Evaporative Emission System Vent Control Circuit. What is it? How can I fix it? What do I need? can someone help please? It is for 1997 Buick Lesabre.… read more
Ron Z.
Ron Z.
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497 satisfied customers
Buick Century: I have a 99 Buick Century, 6 cylinder. In the
I have a 99 Buick Century, 6 cylinder. In the morning, when it's cold, after starting the engine, I smell gas. It's strong, but it goes away when the engine gets hot. This only occurs when its cold ou… read more
Dan
Dan
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Vocational, Technical or Trade Scho
25 satisfied customers
1998 buick century: There has been a high pitched squeal coming
I have a 1998 buick century with 3.8 engine. There has been a high pitched squeal coming from the engine for several months. It is not continuous but on occasion. Have changed belt, alt, tensioner and… read more
jazzmaster
jazzmaster
LEAD AUTO TECH
Vocational, Technical or Trade Scho
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98 buick century: running fine..a sound,leaking ,overheating,anything
i have a 98 buick century with less than 90,000 miles im driving cross country and for some reason my service engine soon light came on the car is running fine and within the last month before i left … read more
Dan
Dan
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Vocational, Technical or Trade Scho
25 satisfied customers
1999 BUICK CENTURY SERICE ENGINE SOON LIGHT GETS CODE P0442.
1999 BUICK CENTURY SERICE ENGINE SOON LIGHT GETS CODE P0442. WE CHANGED THE GAS CAP WHAT IS THE WORST CASE SCENARIO WITH THIS CODE IN TERMS OF COST OF REPAIR OR DAMAGE TO CAR.… read more
Pete
Pete
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Vocational, Technical or Trade Scho
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1999 Century: diagnostic errors..error codes..100 miles..emission
We have a Buick 1999 Century 6 cyc Check engine light is on, diagnostic errors of PO 141 and PO 135, Auto Zone said top and lower oxy. sensor were bad, we replaced, and cleared the error codes, ran th… read more
Paul M ASE Master
Paul M ASE Master
Automotive College
3,307 satisfied customers
98 buick century: I have put about $1600 in repairs into it so far
I bought this 98 buick century last year and the engine light was on. I have put about $1600 in repairs into it so far. A new engire was put in about 2 years ago. I know this because it belonged to a … read more
Arench
Arench
President
CT State GED w/ Honors
1 satisfied customers
2000 buick: light comes..control system..vent..the gas cap already
I have a 2000 buick park ave and the check enging light comes on with a code of P0466 Evaporation emission control system vent control circuit. I reset the code and after about 200 miles it comes on a… read more
zzdaryl
zzdaryl
Lead Auto Tech
Some college and advanced training
4 satisfied customers
2000 Buick Century: the Service engine soon light is on..Evap..EGR
I have a 2000 Buick Century and the Service engine soon light is on. Scanning shows 2 codes ......P0440 (Evap Emission Control Sys Malf) and P0403 (EGR flow circut malf). Could they be related?… read more
cartech
cartech
master tech
High School or GED
1,797 satisfied customers
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Dave Nova

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Don - Mo Lurch

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Ron Z.

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Chris (aka- Moose)

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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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