Are you certain you have a carburetor? 74% of the Caprices that year used TBI or throttle body injection. Check the VIN code, 8th digit for a "E", the most common engine, a 305. As long as it is not a "Y", or 307, you have injection.
more than likely the carburetor needs to be cleaned properly and also check the fuel shutoff valve for debris. more than likely the carburetor needs to be cleaned properly and also check the fuel shutoff valve for debris. more than likely the carburetor needs to be cleaned properly and also check the fuel shutoff valve for debris.
How does it run? If it is running rich or lean then the carburetor could be the culprit. If it is original from 1986 I would bet it needs a rebuild.
The fuel filter is clogged or the carburetor needs to be cleaned and/or adjusted.
If your vehicle is leaking fumes, then your gas tank needs to be fixed.
More than likely it needs to have the carburetor cleaned.
Carburetor probably needs to be disassembled and cleaned.
Needs a good tune up?
The carburetor needs rebuilding including a new float, needle and seat, assuming it has a carburetor.
when it no longer works. If it ain't broke don't fix it.
You should never need to replace a carb. Cleaned yes, rebuilt yes, but not replaced. If the car is being driven then at most you need to have it adjusted and tuned up. The only time you will ever need to replace a carb is when it is so gummed up from sitting that it can't be cleaned properly.
Because your shift solenoid is dirty and needs to be cleaned out with a carburetor cleaner.
the carb needs to be rebuilt or cleaned. old gas clogged the jets