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P0442, P0102, P0440, P0442, P0440 error codes. 160000mi.
Yes, I've purchased the Canister Vent Solenoid, but would like to know how big of a pain in the @ss it is to replace... :) … read more
Gabriel Grey
Gabriel Grey
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My p0446 code was evap canister I changed it and my engine
my p0446 code was evap canister I changed it and my engine light came back on I took it to the shop to put it on the machine i alre changed it brand new canisteradyI did and the same code came up but … read more
Ron Z.
Ron Z.
- Buick Tech -
Vocational, Technical or Trade Scho
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2004 Buick LeSabre the yellow check engine light is on. read
2004 Buick LeSabre the yellow check engine light is on. read codes, p0446. replaced gas cap with new gm delco part, cleared codes, 3 days later CEL on, same p0446 code. replaced the evap vent valve at… read more
Dan
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Buick Century: hello again I have a 2002 buick century 3100
hello again I have a 2002 buick century 3100 v6 it has the following codes p0446 emission system vent control circit and p0442 small leak anything you can tell me I already changed the valve behind th… read more
Dave Nova
Dave Nova
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Buick Century: When I look at the fuel lines near the fuel
When I look at the fuel lines near the fuel filter on my 98 Century I see fuel, fuel return, vapor, PLUS a hose that seems to come from the gas tank and is not connected to anything. It's just stickin… read more
Roy
Roy
shop foreman
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Buick Regal: Buick Regal LSE 2000; p044 obcII code; service
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Gary
Gary
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Buick LeSabre Limited: Hello there, I have a 2002 Buick
Hello there, I have a 2002 Buick Lesabre that is giving me some issues. The "gas cap loose" indicator comes on when I start the car and the SES light is lit. Also, more than half the time I am driving… read more
Pete
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1996 Buick Lesabre 3.8 liter V-6. How do you replace: 1.
1996 Buick Lesabre 3.8 liter V-6. How do you replace: 1. Fuel tank pressure sensor 2. Canister purge valve solenoid… read more
Gary
Gary
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Buick LeSabre Limited: hey guys. Got a 2000 Buick LeSabre.
hey guys. Got a 2000 Buick LeSabre. Have codes that alert failed canister purge solenoid and a fuel tank pressure sensor. Where are this located on the vehicle? Any info would be appreciated.… read more
Michael Moore
Michael Moore
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GM: Check gas cap comes..engine light comes..Delco..engine light stays
Check gas cap comes up on dash and then engine light comes on. I have changed gas cap (GM Delco replacement) but engine light stays on, next day "check gas cap" mcomes on again. Any ideas??? V Bennett… read more
Mark
Mark
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2000 Buick LeSabre Limited: stalls..Installed new fuel pump unit
2000 Buick LeSabre Limited sputters and stalls. Installed new fuel pump unit ant TPS. Fuel pump fixed the hard starting problem, but not the sputtering. Car runs good with less than half a tank of fue… read more
Pete
Pete
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2007 buick: ck..the code says large vaccum leak, i..fuel tank..GM
I have a 2007 buick laceran, with a ck. engine light the code says large vaccum leak, i can smell gas vapers by the fuel tank. i have replaced the fuel cap with a GM new part, still have the same smel… read more
Jim B
Jim B
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2009 buick: raw gas smell in the interior..stop sign..dealership
I have a 2009 buick enclave. Have been getting raw gas smell in the interior of the car when I stop at a light or stop sign. After bringing in the car twice the dealership has replaced the evac cannis… read more
Ironmike
Ironmike
ASE Master ,Ford Certified Master Tech
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2003 regal: 78,000 miles..service engine light..engine runs..runs good
I have a 2003 regal with a 3800 engine.It has 78,000 miles and the service engine light just came on.I had the code checked and it was P0440.I checked the fuel cap and it was secure.Any thoughts?The e… read more
GM Tech (Cam)
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2004 buick lesabre: diagnostic code..the Evap Canister..vacuum leak
I have a diagnostic code of PO442on my 2004 buick LaSabre what would be the problem? Where is the Evap Canister located and how would I check for a vacuum leak if these are area of concern?… read more
Dan
Dan
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Vocational, Technical or Trade Scho
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I have a 2006 Buick Lacrosse, recently I have had code 0455
I have a 2006 Buick Lacrosse, recently I have had code 0455 a couple of times (fuel evaporation [large] a couple of times. I haven't checked system further. Have you seen this problem before, if so wh… read more
Gary
Gary
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Vocational, Technical or Trade Scho
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2004 Buick LeSabre Limited: service engine soon..awhile I
I recently purchased a 2004 Buick LeSabre Limited. The service engine soon light is always on which I am told can be related to the gas cap. Also every once in awhile I get the message that my gas cap… read more
Roadside Jerry
Roadside Jerry
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2001 buick: le..keeps saying my gas cap is loose..maf sensor
My 2001 buick le sabre keeps saying my gas cap is loose and that I have an evap emissions leak. Ive replace the maf sensor had the evap system smoked to look for leaks and still nothing. What else can… read more
DriverDave
DriverDave
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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

1,545 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.

Don - Mo Lurch

Don - Mo Lurch

Buick Mechanic

569 satisfied customers

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

George H.

George H.

ASE Certified Technician

541 satisfied customers

ASE Master 15+years

Chris (aka- Moose)

Chris (aka- Moose)

Buick Technician

478 satisfied customers

16 years of experience

Mike S.

Mike S.

ASE Certified Technician

329 satisfied customers

A.S.E. certified

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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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