Old 10-23-08, 09:12 PM
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I have a 1992 chevy lumina, was driving and volts light came on, stalled but started again a few times, took car to auto zone tested alternator it was bad, had it replaced, drove fine for 2 days then volts light again PLUS NOT SHIFTING RIGHT, took it in again alternator not [email protected] different shops told me this:" if alternator isnt sending the right volts to the brain box, brain box not telling car to shift???????????? " this is whats happening now replaced alternator again no volts light but not shifting right Could the 2 shops be right ??please help... Nothing wrong with transmission before this alternator problem.....
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Old 10-24-08, 09:01 AM
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Yes, low voltage can affect shifting, but there should be no permanent problems.

What kind of shifting problems are you having?
Old 10-25-08, 08:15 AM
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not shifting at all car now runs fine with no volt light on,
Old 10-30-08, 06:26 PM
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Possible the vss (vehicle speed sensor)sensor could be bad, worth having it checked

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