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Chevrolet Repair/1988 Corsica 2.0LT Speedometer & odometer failure

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Expert: Mark Bisig - 12/5/2005


Question
Both speedometer and odometer failed or swinged intermittently. Is the problem from VSS or gauge cluster?

Answer
Hello Jacob, When both the odometer and the speedometer are inop it is either the complete cluster or the wiring from the ECM (computer)or the EMC itself. If you had a scan tool you could watch the VSS sensor to see the output from it. Most times when the VSS goes bad it will also set a code in the ECM and the check engine light will come on. I'll bet on the cluster that is the bad part.

Hope this Helps

Mark

Chevrolet Repair

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Mark Bisig

Expertise

I have been working on Chevrolets since 1979 and do all minor and major repair of these vehicles. I work at a large Chevrolet dealer. I can answer questions on engines, transmissions, drive-line, A/C, PCM, drivability. I will do my best to answer and get back to you fast.

Experience

26 years working at a car dealer

Education/Credentials
Denver Automotive and diesel college

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