I needed to replace the $4 fuel filter twice.
The car sat for some time before I bought it. Since I've had the car it has run excellently!
She runs strong, handles well (for thirty-year old engineering/suspension) and is just as fuel-efficient as the newer cars getting 17 MPG.
The only thing that could make it better is if it had the Chevy Moniker.
The Omega was essentially the same thing as a Nova -- minor changes in grille, taillights and instrument panel, otherwise it is the same car.
N Nova.
O Omega.
V Ventura (later Phoenix)
A Apollo (later Skylark)
All the same X-body platform.