RDC1991

Hello. I have a 1991 Corvette and when i purchased it had 115,000 miles back in March 2018. I drove the car maybe 4 weeks that summer. Fast forward to the present March 2019 speedometer states 196,000..somethings terribly wrong. I drove the car yesterday for the 1st time this year and i noticed the speedometer was saying i was doing 100 mph, when i was actually around 40 mph or so. I need some assistance on what i should be looking for .

Thanks

RDC1991

Thanks, ill look into that.

WVZR-1

Yours will be a 'button' on the DIC and says ENG & MET next to INST/AVG 'button'. Top right.

RDC1991

Thank you. That was it. Everything is back to normal speeds and mileage are ok now.

Tom400CFI

Might want to peruse the owners manual at some point.