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It keeps miss fireing. 07 grand prix. Tune up new plugs and
Tune up new plugs and wires change crank sensor replaced gasket … read more
Chad Farhat
Chad Farhat
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Associate Degree
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I am working on a 2005 Pontiac Grand Am 3400. The engine
I am working on a 2005 Pontiac Grand Am 3400. The engine runs poor … read more
Tool Hut
Tool Hut
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Am getting this p0300,c0240,after i did the headgaskets.I
Hi,am getting this p0300,c0240,after i did the headgaskets.I don't know if did something wrong … read more
Jason Hablutzel
Jason Hablutzel
ASE Master Tech
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I just sent it, 2003 pontiac montana, I have a 2003 pontiac
I have a 2003 pontiac montana awd versatrak 3400 sfi the srvice light blinks the van shuts off it has a p0300 code random misfire new pligs and wires high rev … read more
David Craig
David Craig
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Pontiac Grand Prix GTP: I have a 2004 grand prix 3.8 with a
I have a 2004 grand prix 3.8 with a supercharger. I am the original owner and car has 120 klm or 70,000 miles on it. My problem is that the supercharger isn't working. Car runs smooth and fine otherwi… read more
Dave Nova
Dave Nova
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Pontiac Grand Am: I have a 2000 pontiac grand am with a 3.4
I have a 2000 pontiac grand am with a 3.4 liter engine. I cant get the car started unless I have the gas to the floor. Once started it still runs horrible and cuts off. Spark plugs and wires, and 1 co… read more
Eric
Eric
Retired
N/A
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Pontiac Grand Prix: I have an 08 grand prix base model, the
I have an '08 grand prix base model, the other day it wouldn't completely start for several attempts. When it did finally start, there was something wrong with it. I believe all the cylinders aren't f… read more
TIM MOHR
TIM MOHR
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Pontiac Grand Am SE: I have a 2001 pontiac grand am 2.4 and
I have a 2001 pontiac grand am 2.4 and its seems like its losing pressure and choking and eventually dies during idle. What do you think is the problem?… read more
zzdaryl
zzdaryl
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Some college and advanced training
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pontiac grand am: misfire..tps,iac,crank positon sesor..module
pontiac grand am 2004 3.4 idle flexuate and misfire also bad smell from exhuast and has only code p0300. i already replace tps,iac,crank positon sesor,crank angle,igniton module. and its still not run… read more
GM Tech (Cam)
GM Tech (Cam)
Pontiac Technician
Vocational, Technical or Trade Scho
2,403 satisfied customers
Grand prix gt: cylinder misfire..I changed plugs wires..ignition coils
I have an 03 grand prix gt - no supercharger. I had an issue with multiple cylinder misfire. I changed plugs wires and all 3 ignition coils and it did not fix anything, still get P0300 code. I just ch… read more
Bill
Bill
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Vocational, Technical or Trade Scho
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2000 3.8: heads spark plugs, wires, coils, injectors..fuel pressure
I have a firebird 2000 3.8 I change heads spark plugs, wires, coils, injectors I check the fuel pressure I have 42 psi.And when start and try give gas only go up to 1400 rpm and don't go up and still … read more
Dave Nova
Dave Nova
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Associate Degree
2,014 satisfied customers
Spits..sputters..pump, fuel filter, and it stalls, can you tell me
our car spits and sputters sometimes, have changed computer,can you tellfuel pump, fuel filter, and it stalls, can you tell me what this is , thanks… read more
Ironmike
Ironmike
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Vocational, Technical or Trade Scho
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2005 Pontiac Grand Am: V6..It is surging and shutting..random misfire
I have a 2005 Pontiac Grand Am V6 with the serviec engine light on. It is surging and shutting off when you are stopped. I have had it put on 3 computers and they all say it's a random misfire, but th… read more
Anthony
Anthony
Master Automobile Technician
Vocational, Technical or Trade Scho
8,789 satisfied customers
96 Grand Am: cyl..catalytic converter..pipes..stay running
I have a 96 Grand Am 2.4 4 cyl. The catalytic converter plugged and pipes were glowing red. I had no power, engine misfired and wouldn't stay running. I cleared the converter and the miss is still the… read more
zzdaryl
zzdaryl
Lead Auto Tech
Some college and advanced training
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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
heavy_chevy_396
heavy_chevy_396
Vocational, Technical or Trade Scho
2,518 satisfied customers
2000 grand am: sputtering..gas cap, plugs..changed plugs..o2 sensor
My son's 2000 grand am is missing bad, sputtering etc. Hooked to diagnostic machine said it could be gas cap, plugs, oxy sensor or vacuum hose. He has changed plugs upper o2 sensor, vaccum hose and ga… read more
Pete
Pete
Independent Auto Technician
Vocational, Technical or Trade Scho
138 satisfied customers
hello, I have a 97 Grand Am 2.4L with 175,000 miles on it.
hello, I have a 97 Grand Am 2.4L with 175,000 miles on it. The car has a rough idle (at idle it misfire frequently, but randomly) and will hesitate when I push down on the gas. The hesitation seems to… read more
Anthony
Anthony
Master Automobile Technician
Vocational, Technical or Trade Scho
8,789 satisfied customers
2005 sunfire: high idle..converter..the coil packs- spark plugs
Ok I have a 2005 sunfire that has 54535 miles on it. My problem with this car is that it has no power missing only while idle not in high idle and the catylic converter is getn cherry red... Now ive r… read more
GM Tech (Cam)
GM Tech (Cam)
Pontiac Technician
Vocational, Technical or Trade Scho
2,403 satisfied customers
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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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