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I have a 2003 Pontiac grand am throwing P0300 code. The CEL
I have a 2003 Pontiac grand am throwing P0300 code. The CEL just came on recently but the problem has been going on for a while. The symptom is that the car will just randomly stall out while driving,… read more
Gunvir Singh
Gunvir Singh
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Are you real? poor acceleration, P0171 P0420 P0326 P001
cleaned, then replaced the MAF sensor, cleaned the throttle body, replaced the spark plugs … read more
Mark G
Mark G
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20 minutes..stutters and will not accelerate..few minutes..restart
Last two times out with vehicle, after 20 minutes or so of driving, stutters and will not accelerate. Turn ignition off for a few minutes and restart seems to go fine. Idle seems fine. MIL came on the… read more
Dave Nova
Dave Nova
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97 Bonneville: dies..10 min and the car starts..airflow..fuel pressure
Daughter driving her car 97 Bonneville and she says the car just dies out after warm up, she waits 10 min and the car starts again. Starting to happen more and more. I have heard Crank position sensor… read more
Eric
Eric
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2002 Pontiac Sunfire: missfire..slipping..the check engine light comes
I have a 2002 Pontiac Sunfire, does anyone know what "random missfire detected, code 300" on a hand held computer means? My engine has been randomly "slipping" and then corrects itself, one minute the… read more
Neal
Neal
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p300: ran fine..vacuum leak..manifold giving odb code p0171 system
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Pete
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2000 Grand Prix: 3.8L..supercharged..158,000 miles..coolant light
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Dave Nova
Dave Nova
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2001 g5 gt: coupe..The car runs fine, but when you step on it, it
i have a 2001 gp gt coupe, and was getting a code for the intake manifold gasket. I replaced that but am still having the same problem as before i changed it. The car runs fine, but when you step on i… read more
Bill
Bill
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Pontiac vibe vin 8 i have a 2003 vibe and it has 11 codes
i have a 2003 vibe and it has 11 codes being thown by the ecu. First the symptoms are when i crank it up the engine has revs super high about 3000 rpms give or take and then it goes down to about 700 … read more
goodwrench9124
goodwrench9124
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2002 pontiac montana: van..gasket on intake manifold after over..leaky
2002 pontiac montana van 3.4 SFI engine.....had to change gasket on intake manifold after over-heat condition / leaky gasket..............after re-assemble the engine have a mis-fire condition on plug… read more
Dave Nova
Dave Nova
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Pontiac Vibe I have a 2005 Pontiac Vibe. In Nov. 2009 I had
I have a 2005 Pontiac Vibe. In Nov. 2009 I had to replace the transmission at 62K. The check engine light came on, it began to shift hard, & the mechanic found metal in the pan due to mechanical failu… read more
Dan
Dan
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Vocational, Technical or Trade Scho
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Hello, I need a diagram for a 1999 pontiac grand am engine.
Hello, I need a diagram for a 1999 pontiac grand am engine. We changed the intake manifold gasket, but now have more problems after changing it. The car runs awful now and the check engine light is on… read more
GM Tech (Cam)
GM Tech (Cam)
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Vocational, Technical or Trade Scho
2,403 satisfied customers
2002 Pontiac Grand Prix GT. 125,000 miles (bought used at 109,000
2002 Pontiac Grand Prix GT. 125,000 miles (bought used at 109,000 miles) so I am unsure of service history. Problem: My MAF has failed 3x. regular mechanic is dumbfounded. 121,000 miles: surging and h… read more
Tim Mohr
Tim Mohr
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i have a 2003 pontiac vibe and it burns oil not all the time
i have a 2003 pontiac vibe and it burns oil not all the time but on and while driving and when you crank it up. I have checked compression i am holding 125 psi all across the board. it runs real good.… read more
Mike S.
Mike S.
Vocational, Technical or Trade Scho
8,019 satisfied customers
2000 Pontiac Bonneville: exhaust..gasoline, and dies..spark plugs
I have a 2000 Pontiac Bonneville, 153,000 miles giving me a code P0171 and P0300. Engine knocks, has no power, exhaust smells like gasoline, and dies occasionally. I've changed the spark plugs and wir… read more
Mike S.
Mike S.
Vocational, Technical or Trade Scho
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Im working on a 96 firebird with the 3.8 its throwing codes
Im working on a 96 firebird with the 3.8 its throwing codes p0300 and p0306 Im missing a vacuum line off of the evap cannister switch the 2 that are there go to evap cannister and the purge vavle but … read more
david
david
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Vocational, Technical or Trade Scho
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1996 pontiac grand am with the 3.1l engine in it and i replaced
1996 pontiac grand am with the 3.1l engine in it and i replaced the fuel pump and the fuel filter and replaced the plugs and wires and im still pulling two p0300 codes. which is a misfire code what am… read more
Mike S.
Mike S.
Vocational, Technical or Trade Scho
8,019 satisfied customers
97 Sunfire: blowing..rough Idle..the oil pressure screws..compression
97 Sunfire Oil pressure so high it is blowing the oil filter seal and draining the oil from the oil filter seal--Happens when starting the car--rough Idle also until it has ran for a minute or so, lik… read more
Matt J
Matt J
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Vocational, Technical or Trade Scho
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Meet the Experts:

GM Tech (Cam)

GM Tech (Cam)

Pontiac Technician

2,403 satisfied customers

GM Grand Master Technician 2007. 14 years experience.

Dave Nova

Dave Nova

Pontiac Technician

2,014 satisfied customers

ASE Master Certification. GM World Class Certification

Gary

Gary

Pontiac Technician

1,463 satisfied customers

15 years GM master tech/15 years ASE master

Ron Z.

Ron Z.

- Pontiac Tech -

778 satisfied customers

18+yrs experience. State Inspector and Pontiac Diagnostics

Don - Mo Lurch

Don - Mo Lurch

Pontiac Mechanic

558 satisfied customers

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

John

John

GM FACTORY CERTIFIED TECHNICIAN

514 satisfied customers

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

car tech

car tech

ASE Certified Technician

446 satisfied customers

25 years master tech and shop owner

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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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