Question about 1993 Pontiac Grand Am
As soon as engine warms up 3.1 starts to miss then will eventually stall . when driving it will miss and lose power while driving and will stall when stopping at intersection. starts right back up then will miss and stall again.
It could be the coil is getting old. They begin to lose function when they warm up.
Posted on Jun 23, 2012
SOURCE: will not start when engine warm
Sounds more like your ignition module is getting hot and not working. I'd go there first before replacing the ECM. You can remove the ignition module and most NAPA stores have the ability to test them for you. Make sure they test it at least 5 times. This way it'll simulate starting and stopping.
Posted on Jul 23, 2008
SOURCE: Pontiac Sunfire Stalling
Is your chek engine light on? If it is take it to any auto store for free scaning,Might be problem with idle control valve or trottle possition sensor,or vacium leak.
Posted on Dec 03, 2008
SOURCE: 1995 pontiac bonneville stalls
I just went through lots of troubleshooting and expense on my 1996. Whenever I would lift my foot off the accelerator and was below about 30 mph, the rpm's would starts jumping around and sometimes it would stall. If I gave it a little gas (accelerator), I could sometimes keep it running. It also backfired once in a while. Starts right back up. Also, if I let it idle while in part, it would die after 1-2 minutes.
I ended up finding a hole in the fuel regulator. About a ~$70 part if you get an AC Delco, but very simple to change.
Posted on Dec 24, 2008
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