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Chevrolet Express
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2000 Express 3500 Sporadic shifting, speedometer goes up to 70 and staysthere, ABS on

Old Apr 27, 2026 | 4:06 PM
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Eric Kothe's Avatar
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Default 2000 Express 3500 Sporadic shifting, speedometer goes up to 70 and staysthere, ABS on

Hey

On my 2000 Express 3500 7.4, it will shift randomly, the speedometer seems normal in first gear, but then whatever gear it shifts into next it will climb to 70+mph. Antilock light comes on after a few minutes of driving. Getting a burning smell after driving for 10 minutes or so.

It was running perfectly normal when I last drove it before the winter.
Put a new VSS in, the two front wheel speed sensors seem good, Fuses seem good, wiring seems intact. Oil and Trans fluid are clean.

Any ideas?
Thanks!
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