It happens only the highway at about 100 km/h.
check you belt
An intermittent miss in a 94 Caprice could be something in the ignition system. Check the plug wires and ignition coil to start with.
The check engine light comes on and stays on when a problem is detected by the self diagnosis system of your vehicle. Generally, a check engine light is lit when there is a problem in the emissions or somthing that is affecting the effectiveness of the emissions.
Try replacing your Oxygen sensors they are located on the catalytic converter. I had the same problem with my 94 Caprice and that turned out to be the problem.
Check out your control module under your distribtor cap.
Crack in intake or exhust, or belt glazing- Check all the intake and exhust bolts.
4444
If you mean the starter will not turn over the engine, check the battery. vbd
depending on what engine you have, 4.3 v-6 or 305 v-8 or if your lucky the 350......chevy never ran a crank sensor on an engine that old. If it wont start, check spark, if you have spark, check fuel.
Check the fuse.jr
A new 2013 Chevy Caprice is sold for $31402. You can buy a cheaper one when you buy a used car. However, you must check carefully before you buy a used one.
Check your timing and if it is a carb, check to make sure the air fuel mixture is set properly.