What was the most important change for the corvette in 1990?

Without question, the most significant change for 1990 was the introduction of an entirely new option (RPO ZR1) that would transform the Corvette line for all time.

What should the mileage be on a corvette?

They are sports cars, so their owners tend to have something else as a daily drive, so a Corvette should have comparatively low mileage. You might ask the owner to take you for a ride before you drive the car. See if he or she likes to burn off the tires or hammer the clutch and shifter.

What kind of idle does a 1992 Corvette have?

ON MY 1992 LT1 CONVERTIBLE, I HAVE A HIGH IDLE (1800). I HAVE REPLACED TPS, IDLE AIR CONTROL VALVE, CLEANED THROTTLE BODY, CHECKED THE TPS MODULE.

What does SYS stand for on a corvette?

Have you noticed “SYS” intermittently showing up in your 1990-1996 Corvette’s speedometer display? This means there is a trouble code stored in one of the on-board control modules. When the 1990 Corvette debuted, GM introduced ECM (Engine Control Module) and CCM (Central Control Module) trouble codes.

What’s the average gas mileage for a corvette?

People have reported over 30 when driven conservatively at 60-65. My overall average, in 5,360 miles, is 22.48 MPG. This is primarily commuting, in and out of MidTown Atlanta. NOT conducive to best fuel mileage. I took my first long trip in the Corvette over last Thanksgiving.

How does fuel injection work in a 1994 Corvette?

The 1994-1996 OBD computer system utilizes mass-air and MAP sensors to control fuel delivery. The 1994-1996 cars utilize sequential fuel injection, which means fuel is injected only when needed. These cars have better fuel control and respond better to high performance modifications.

What do you need to know about a corvette?

Organized by generation and model year, you can dive into everything from engine specs and performance specs to weight and dimensions. Beyond that we also cover factory options, VIN numbers and much more. Enjoy diving into all the Corvette specifications you could ever need as you research. In the humble beginning was the C1 Corvette.

When did they start using speed density on corvettes?

Speed density was the first fuel control system used on 1982-1984 Corvettes. It was also used on the 1990-1993 cars. Speed density uses a manifold absolute pressure sensor (MAP sensor) to calculate the necessary fuel load. The 1990-1991 cars have a MAP sensor bolted directly to the intake plenum.