One problem related to alternator/generator/regulator has been reported for the 2004 Chevrolet Cavalier. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Chevrolet Cavalier based on all problems reported for the 2004 Cavalier.
A strong fuel odor entered the inside of the vehicle when the vents were used. This odor caused nausea and headaches to any one riding in the vehicle. At any temperature, the vehicle took a very long time to crank up. Also, while driving at 50 mph, the vehicle suddenly decelerated and bogged down. The vehicle would eventually pick up speed and act as if nothing ever happened. These problems occurred eight times. There was rattle in the drivers side door panel due to the regulator, there was also an intermittent noise on the passenger side rear, the vehicle would not start due to the power train control module, the engine was hard to start at times and was unable to be duplicated, the engine would lose power, the driver door made a rubbing noise, the floor area was buckling, and the a/c displayed a burning smell.