Reverse gear failures and noise in the manual transmission models are common.
1991 Volkswagen Cabriolet Problem Reports
Most Reported 1991 Volkswagen Cabriolet Problem Reports
Ignition wire breakdown is common, resulting in misfires.
Shifting issues due to internal problems in high mileage automatic transmissions can be difficult to resolve without transmission replacement.
Electrical issues that are difficult to diagnose—and sometimes intermittent—are typically due to ground wiring issues. The most troublesome ground locations are under the battery or at the engine.