Quote:
Originally Posted by missalabama
my 99 alero is doing the same thing, a/c. the tach goes nuts and bounces around all the time and essentially drives me insane, while the odometer only displays kilometers.
tired of my alero's "quirks"...
any suggestions? anybody?
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The tach going 'nuts' could be the car misfiring. Dash going nuts, IDK voltage regulator maybe. I know later GM cars will have dash problems when the voltage regulator is starting to go. The fix, new alternator.
I replaced my alternator in July. Sometimes when I'd start the car all my gauges would go all the way up, and then all the way back down, and they to when they should be. Happened to a guy I work with Camaro which has the 3400 motor too (earlier gen) It happened to him and the alternator went a few weeks later