Question about 2005 Pontiac Montana
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Posted on Jan 02, 2017
there are 2 possibilities off the bat i could think of. first suspect would be fuel pump. they can be very intermittent with gradual progression. next common problem for this symptom would be security issues. make sure youre using genuine GM key. ck body control module for codes. code b2960 in HISTORY would indicate faulty bcm. there are also issues with invalid "passlock" data whcih is a security sensor attached to ignition switch. tricky to replace and reprogram so be careful.
Posted on Nov 15, 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
You are going to have to replace the cluster.
A good thing is GM just came out with a recall campaign to replace the clusters.
I would call the local GM dealer to see if the vehicle qualifies for the recall.
Posted on Mar 27, 2009
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