Question about 1991 Pontiac Bonneville

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I have a 1991 pontiac bonneville with a v-6 engine.

The vehicle is stalling out when I stop at stoplights. It does start and run well afterwards and at initial start-up. The problem was happening only once in a while but is now happening a lot.

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  • 102 Answers

You have a problem with transmission, the lock-up in not disengaging, find the blue plug on front of trans ans unhook it, gas mileage will go down, but cheaper than pulling trans

Posted on Jun 22, 2009

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Posted on Jan 02, 2017

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My 94 pontiac bonneville just stalled. It is like it's shut down. At first is started stopping after driving it for a while. Now it just won't start. It's not the started, the engine, tran


It could be the ignition module in the distributor or the pick up coil mounted under the distributor on the shaft. could also be the coil you may need a mechanic

Aug 27, 2012 | 1994 Pontiac Bonneville

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Stalling


your son's car either needs a tune up or could be a broken,*****, or desconnected vacuum hose or, even the idler control valve,

Dec 03, 2011 | 1991 Pontiac Bonneville

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1991 pontiac 6000 6 cyl stalls on acceleration This situation varies, sometimes it stall when your just barely starting to accelerate and other time I can accelerate a lot more with no problem unless I...


Sounds like the engine is starving for fuel - plugged fuel filter, failing fuel pump, malfunctioning fuel regulator, etc. Have the fuel pressure checked.

Jul 03, 2017 | 1991 Pontiac 6000

1 Answer

95 bonneville stalls then starts then in about 5 mins. Stops again. Replaced fuel pump a fue months back. Best luck was replacing relay for fuel pump. Now that doesn't help.


If your check engine light is on, find out the codes. I would have the fuel pressure checked again, first run the car until it stalls again and check it. I've installed pumps that went bad in as little as a couple days

Jun 16, 2010 | 1995 Pontiac Bonneville

1 Answer

It keeps stalling and won't keep running after the


Check the egr valve by located it and the vacuum hose connected to it. pull of the hose and check it for wear like cracks or hardening of the rubber. If it looks ok, reconnect it to the egr and start the engine while it is cold and with the engine idling, remove the hose from egr valve. If the engine sputters and then dies, pull off the vacuum hose one more time and try to start the car. If it runs fine with the hose disconnected, replace the egr valve.

May 12, 2010 | 2000 Pontiac Bonneville

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2001 pontiac bonneville SSEi 3.8 l supercharged. The car runs smooth for 15-30 min then stalls out. And when you attempt to restart it starts and idles up and down. And dies after 30 sec. With no check...


I have a 2000 Bonneville - I had a problem with the car stalling out - then it did not want to start back up. (When it did it would idle up and down and then die) I changed out the mass air flow sensor - now I have not had a problem. Good luck with it.

Feb 10, 2010 | 2001 Pontiac Bonneville

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