2006 Pontiac grand prix question

Asked by cricket1486 May 30, 2008 at 11:55 AM about the 2006 Pontiac Grand Prix

Question type: Maintenance & Repair

I have a 2006 Pontiac Grad Prix and latley as I am driving the car just shuts off. It don't give me any warning or anything and after it shuts off no check engine or lights like that are on. It will start up just fine after that, but the car dealer I took it too said they cant see the problem. Does anybody have any ideas???

Thanks,

11 Answers

8,365

Unfortunately for intermitent problems a technician would require more diagnostic time in order to reproduce the symptom. My first guess would be where wire connections are not clean and tight. For instance, check to make sure ground connections are clean and tight. It may not be the problem, but common. You could also have sensors/actuators that are probably going bad (could be defective components). This is where having a scan tool or a repair shop with scan tool that not only pull trouble codes, but can read values from sensor while driving the car. If you know when it occurs say, cold startup and after engine reaches normal operating temperatures does the engine stall. I would say the more information you have, as to if there are specific conditions when the engine would stall, the easier it is for technician to diagnose the problem. Hopefully this is a good starting point to help find specifically where the source of problem is occuing.

9 people found this helpful.
95

There is a few possibilities. You could have the Crank Position Sensor going out which would be the worst of it. Cheap part but labor may cost a lot. I was having the same problem and I noticed my coil packs had rust on them where the spark plug wires connect. I cleaned them last Saturday and haven't had a problem since. Be sure to check your fuel and spark system. For it to just shut off your losing one of those. Most likely its the spark.

4 people found this helpful.
10

The same thing happened on my 98 grand prix, it was just a loose ground wire from the battery.

1 people found this helpful.
90

This happened to me. It was the Evap sensor located on the intake. No problems now. Inexpensive and easy to replace. No more shut offs.

8 people found this helpful.
100

I got the same car pontiac grand prix 2006 model.... I have some issues with this cars nowadays.... its regular light which is automatic, goes off after 3 or 4 minutes while driving on the road.. the bottom light works and high beem works too... another problem which she has started to give me is that its temperature goes high almost to red line... two weeks ago I flushed its radiator as well as put new coolant fluid into it even though its temperature started to go up again... is there anything you know about it???

3 people found this helpful.
110

Did you ever get this fixed? I have the same problem

2 people found this helpful.
20

I am having the same problem with my 2006 Grand Prix it shuts off and comes on if I’m lucky will keep running

2 people found this helpful.
80

My 2005 Grand Prix always shuts off when I try to increase acceleration. To keep it running, I have to feather the gas pedal and speed up very very gradually. It takes me 2 miles to get it up to 50 mph without it shutting off. After many trips like this, the check engine light comes on, and then it runs great for months, until I clear the code/check engine light. Obviously, the computer is able to override what ever the issue is. My mechanic is puzzled and I have not found anyone on here with the same issue. It's not random. It seems to be rpm related. Too many rpms, it shuts off. But eventually, the computer compensates. Any ideas?

3 people found this helpful.
20

My 06 gramd prix always did this especially on the interstate I could never figure it out but it ended up being the fuel pump getting clogged and when you accelerate the pump doesn't push as much fuel as it needs what's more horrible is that these models don't have fuel filters and no access panel to get to the pump with out cutting it out or dropping the tank you could also try just pulling pump and cleaning it along with the tank

2 people found this helpful.
10

Had same problem with 2004 grand prix would shut down while driving sent no codes I replaced crankshaft and camshaft sensor did no good. Went Amazon got three coil packs and ignition control module as a set problem solved. Be sure to mark plug wires so you get them back in order

1 people found this helpful.

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