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Pontiac Grand Prix Starting / Stalling Issues

208 messages,  Last post on Nov 02, 2009 at 2:18 PM

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

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#101 of 208 engine shuts off when driving by ozzy7 Aug 15, 2008 (11:01 am)
My 2007 pontiac grand prix is just fine, then all of a sudden the engine will shut off. this happened while on the freeway going 60 mph, it happened in a drive thru at walgreens while sitting, and everytime we take it to the dealer, they cannot locate a problem. It has happened 4 times, and the I have only owned the car for 1 year (23k miles). I am stumped, and the dealer keeps telling me they hook it up to their diagnostic computer and there is nothing showing wrong. has anyone else had this problem...if so, is there an answer? Replies to this message: am3376 (Sep 04, 2008 3:48 pm) cristyz (Sep 05, 2008 7:21 am)
#102 of 208 2002 Pontiac Gran Prix by cristyz Aug 16, 2008 (10:43 am)
I have had a complete tune up on my car. From the oil change, spark plugs, fuel line tune up, cool system flush, plus other things. I start my car and it will shut off. So I start it again and then go. This happens every time I turn it on!! Then while I'm driving down the road, it will just suddenly turn off on me. No one seems to be able to find the problem and I'm tired out putting out money with nothing in return. Can anyone help with this? Replies to this message: jclangh (Aug 16, 2008 1:55 pm)
#103 of 208 Re: 2002 Pontiac Gran Prix [cristyz] by jclangh Aug 16, 2008 (1:55 pm)
Replying to: cristyz (Aug 16, 2008 10:43 am) Try replacing the ignition module and coils, that sounds like it could be the problem.
#104 of 208 Re: 1991 Pontiac Grand Prix SE Need help !!!!!!!! [yuryb] by dave_1 Aug 20, 2008 (2:12 pm)
Replying to: yuryb (Jun 05, 2008 6:48 pm) smart money says it's the fuel pressure regulator. with a little know how you can do it yourself or if you pay a shop around 250-300 dollars
#105 of 208 Re: engine shuts off when driving [ozzy7] by am3376 Sep 04, 2008 (3:48 pm)
Replying to: ozzy7 (Aug 15, 2008 11:01 am) I have the same problem with my 2007 GXP. The car has 12k miles on it and today is the 2nd time my car just shut off while driving for no apparent reason. The same thing happened about 2 months ago just driving down a hill and it shut off. No warning light just shut off. Today I was using TAP shift to go between gears going down a hill and all of a sudden it shut off...No warning lights nothing...The only reason i knew it shut off was because steering and braking got very hard. I told the dealer about this once before and they said chances are there are no codes in the computer. They said dont worry about it unless it keeps happening. This doesnt seem right. Any ideas what I should tell the dealer to look 4. I know they are going to give me nothing but problems and wont be able to find anything. This just doesnt seem safe for the car just to shut off at random Replies to this message: cristyz (Sep 05, 2008 7:21 am)
#106 of 208 Re: engine shuts off when driving [am3376] by cristyz Sep 05, 2008 (7:21 am)
Replying to: am3376 (Sep 04, 2008 3:48 pm) I have had everything possible done to my car, still nothing has been found. My car does the exact same thing. Turns off while driving and it turns stiff. The next thing that I am going to have them check out, is the park lock actuator. I'm not sure if this is going to work but since I don't know anything about cars, well I guess I will keep spending the money until I find a solution. The dealer hasn't been able to find anything wrong. I get all my information from Edmund's about what it might be. Good Luck and let me know if you have it fixed. Maybe you could help me out.
#107 of 208 Re: 2001 Grand Prix GT [jclangh] by bookster Sep 06, 2008 (8:09 am)
Replying to: jclangh (Aug 08, 2008 11:39 am) Sorry all been away alot and I have not had the time to get on and help best I can. Being an ASE master mechanic 4 12 years and then moving on to other job " I hate hate cars" After doing it for so long you just can't do it any more. Your CSP "crankshaft position sensor" is located behind the Lowest pully and Is the largest one on the crank shaft. To pull this pullt you will need a special puller that will cost you $150 or so most parts stores do not have the right 1 to rent. Good luck finding the right 1. Best bet a stearing wheel puller but you will need to buy very long very small boltz that will go thru the puller and all the way back the the threded area of the balancer. they ar I thin 4" and 10mm head so small stuff. The center of the puller is to short so you will need to use a spacer 1/2 inch deep socket 3/8 drive. When threding in the puller go slow and don't use an impact wrench those little 10mm boltz will pop and now you have a new problem. GUILTY Yes I did the impact thing once"once" the I had to fab up some offset boltz when turned 1/4 turn they are bigger and lock in place in the balancer. Ugly idea but it worked and was lucky not to tear the rubber balancer apart. All this can and will just piss you off. Break out the BFH a knife cut of the balancer $250 ouch and pull the old fasion way. Bad Idea. Oh the dealer will not sell you a puller, Snap on has no clue Mac Matco Cornwell There all lost too. Good luck. Replies to this message: arenburg (Apr 12, 2009 3:45 pm) smunzie (Apr 13, 2009 6:32 am) prochie (Apr 13, 2009 12:18 pm)
#108 of 208 2004 Grand Prix stalls when starting by wgregww Sep 17, 2008 (4:44 pm)
2004 Grand Prix stalls when starting, it seems if I give it a little gas it stays running and then runs and idels fine. It runs great once started, it also seems to do it worse when its cold engine start. It has the 3800 and no warning lights come on. Replies to this message: crowe338 (Sep 17, 2008 5:02 pm) 05grandprix (Nov 05, 2008 9:43 am)
#109 of 208 Re: 2004 Grand Prix stalls when starting [wgregww] by crowe338 Sep 17, 2008 (5:02 pm)
Replying to: wgregww (Sep 17, 2008 4:44 pm) my firebird (3.8L) did the same thing, it is in previous posts on this issue (#97). but your problem sounds exactly like mine, it was the fuel pressure regulator after trying everything else. good luck
#110 of 208 2005 Grand Prix stalls at startup and hesitates randomly by thndrdrag Sep 18, 2008 (11:43 am)
Hi everyone,   I have an 05 Grand Prix that recently has started stalling out when I first start it up and get into drive it off right away. If i wait for the car to warm up I have no issue with the stalling, however if i dont wait it stalls right out and needs a bit of gas to restart itself.   Another thing that came along with this issue is a hesitation at higher speeds. Intermittently when I am up around the 65-70 mph area i will give it gas and it will buck slightly, then most of the time when I let off and re-apply it is fine again. I have the 3800 series III V^6 in the car.   I have recently replaced the PVC valve, and the entire secondary air system due to another issue with a PO411 code. This seemed to start the day after I replaced the PVC Valve, I origionally didnt take the o-ring off the old pvc valve and had to go to the hardware store to get another that I thought ft well. do you think this possibly could be the issue?   Thanks Rich Replies to this message: wgregww (Sep 19, 2008 7:40 pm) 05grandprix (Nov 05, 2008 9:42 am)

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