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Pontiac Grand Prix Starting / Stalling Issues

361 messages,  Last post on Jun 01, 2013 at 2:35 PM

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What is this discussion about? Pontiac Grand Prix, Engine, Sedan

    
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Messages Page 36 of 37

#342 of 361 Issue with my 2006 Grand Prix not starting in the cold by kashell

Dec 31, 2012 (6:01 pm)

Replying to: edwardk756 (Nov 14, 2012 8:39 am)
My 06 Grand Prix doesnt wanna start in the cold this year. I have checked the battery while it is running, and the battery is right around 14 volts. I have had an issue with one of the modules that controlled the headlights burning out, and having to be replaced. On the first attempt, I am not hearing anything out of the starter, but on the second try it clicks and starts up on me. When the car starts though, the date and time have all been reset. Any ideas on what this issue might be?

#343 of 361 Re: Issue with my 2006 Grand Prix not starting in the cold [kashell] by gmcustsvc

Jan 02, 2013 (9:49 am)

Replying to: kashell (Dec 31, 2012 6:01 pm)
kashell,
 
Let us know if you were going to get this checked into at the dealership. We certainly understand if you were looking into different options as you're outside of warranties at this point, but just wanted to offer to follow up on any dealer visits you may make.
 
All the best,
Sarah
GM Customer Service

#344 of 361 STARTING ISSUES...I'M LOST PLEASE HELP! by cosully777

Jan 09, 2013 (5:32 pm)

Hi all,
 
Ok, I have been working on this for a few weeks with no solution. I have a 2002 Pontiac Grand Prix GT that is having starting issues that are getting worse. It takes several attempts and needs me to give her a lot of gas to get her to start. Once started, if she doesn't stall in the first 5-10 seconds, I am good to go...runs like a champ. Battery is new, starter new, alternator new, new intake gaskets (upper and lower), new upper manifold, new coolant tubes, and new valve cover gaskets. The problem started before all these new items were put in. I am guessing it is a sensor (MAP/MIP) or another one but they are way to expensive to "guess". A fuel issue? Any help you could give would be much appreciated.

#345 of 361 starting issues by pontiaclives

Jan 09, 2013 (9:49 pm)

Hi cosully777,
Looks like you have done extensive work done but you don't mention anything about the spark plugs. That is usually a good place to start because it is cheap and easy and the sparks will tell if you have any issues with any cylinder or with the spark plug wires.
 
Your problem sounds like an old carburator choke problem, you sure they didn't slip in a carburator when all the work was done Mass Air flow can be another suspect but it gives a code, are you getting any codes. Mass Airflow costs $130 - 180 non GM, (I got 2 re-manufactured ones, they both failed ended up getting a new one for a $30 more), it is a 5 minute job to replace it.

#346 of 361 Re: starting issues [pontiaclives] by cosully777

Jan 10, 2013 (12:29 am)

Replying to: pontiaclives (Jan 09, 2013 9:49 pm)
Thanks for replying so quickly. No, I have a code reader and it is not throwing any codes The "check engine" light came on once last week for about 10min and went off...no codes. I was debating about the spark plugs but I didn't know that if the spark plugs are bad the car can still start.
 
So let's say it is a "carburator choke problem" what am I looking at to solve the issue? If you can't tell I am an amatuer home mechanic. I enjoy working on the car but this pontiac is one thing after another. Thanks for all the help!

#347 of 361 Re: some time it wont start [prettyb] by jenb2011

Jan 12, 2013 (8:39 pm)

Replying to: prettyb (Jul 25, 2012 2:16 pm)
did you get this resolved? I have a 2004 grand prix gt2 that is doing the exact same thing! Never know if I go to get in my car if it will give me problems starting. Sometimes it starts right up, other times I have to give it a few trys. I dont want to spend money guessing what it is and put money into the car that isnt needed. Help please!?!

#348 of 361 Re: some time it wont start [jenb2011] by cosully777

Jan 12, 2013 (9:53 pm)

Replying to: jenb2011 (Jan 12, 2013 8:39 pm)
NO, NOT YET!! It is getting very annoying. I checked the output on the battery and alternator again today and they are fine. It is below zero with the windchill here but it just started without a problem...that only happens once in a great while. I have no clue what to do...I think I am going to replace the spark plugs and O2 sensors and see what, if anything, that does. Let me know if you figure anything out.

#349 of 361 Stalls while driving and runs rough by damionsr

Feb 22, 2013 (11:23 pm)

I have a 2003 Grand Prix GTP supercharged with 95xxx. The car was running great and all of a sudden I'm sitting at a light and the car shuts off and sets a check engine light. I go to restart and it and it wont restart without giving it some gas. Once it started it the idle fluctuated between 200 and 1000 rpm's. It set code P102. I noticed while the car running at idle i unplugged the IAT and the car ran better. When I plugged it back up it started running weird again. I replaced this sensor and drove the car around about an hour, ran beautiful. All of a sudden, I'm at a light and it cuts off again. Now I have to drive with two feet to keep it running because when I stop it just dies out. IT hasnt set any different codes, same code P102. When it acts like this it wont start unless i give it gas. If i just turn the ignition without giving it gas it doesnt start. After a few times of this it just turns over. If I let it sit for 2 minutes it starts up and runs fine, and then it will just shut down. Am I dealing with a MAF sensor issue or something else. I also didnt notice any vacuums hoses. Any help would be greatly appreciated.

#350 of 361 Re: Stalls while driving and runs rough [damionsr] by pontiaclives

Feb 23, 2013 (8:08 am)

Replying to: damionsr (Feb 22, 2013 11:23 pm)
The first thing I would look at is the Mass Air Flow sensor. I replaced mine twice, you should be able to look up the code. P102 points to MAF. Make sure you get a good one, doesn't have to be GM but watch out for the remanufactured ones. First I got a remanufactured MAF within 2 weeks it started acting up, then I took it back and got a new one and it was fine after that. It takes 5 minutes to replace it, it is on top of the engine.
 
Good luck.

#351 of 361 99 GTP occasional stalls by 99gtp

Feb 26, 2013 (7:57 pm)

Messages Page 36 of 37

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