Question about 1999 Oldsmobile Eighty Eight
I was driving my car, when all of a sudden, the dash gauges began to go crazy. The rpm's went up, the speedometer when up to 120, and the temp gauge went to 100. All of these things occurred simultaneously, and the seat belt bell went off as well. The car itself did not change speed or begin to ride rough.
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Posted on Jan 02, 2017
My problem was the same. It was diagnosed as needing a new Crank-shaft Sensor. Replaced it and it ran great. Very difficult to get to physically!
Posted on Apr 27, 2009
Your transmission appears to be in "Limp Home" mode. This usually indicates an internal transmission problem that the computer has decided is too serious to allow regular operation. EVERYTHING, even your windshield wipers, has to get permission from your computer to operate. When the computer interferes with your operation of the vehicle, it sometimes gets overzealous and does other, more funky and entertaining things than it actually needs to do to protect or disable the vehicle.
The next place you need to go to in this vehicle is a transmission repair facility, attached to a tow-truck. They will confirm/eliminate the transmission as the problem. There are other things it could be, but it's telling you "transmission" and you need to have that confirmed/eliminated first, because it is almost always the most destructive and expensive fault a vehicle can develop. Don't drive it again, because it's cheaper to repair a transmission that has not grenaded.
Posted on Feb 14, 2010
Testimonial: "You were right about the "limp home mode", but not the tranny. It was actually an ignition module which sent tthose signals to the computer. $700 fix"
SOURCE: dash gauges to include fuel
GM had gauge cluster problems from 2000-2005. Bad stepper motors. On those units you have to replace the cluster or rebuild it with new stepper motors. Dealership can fix for around $150.00
Posted on Feb 14, 2011
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