Wind noise at the front of the car and water leaks at the vent wing are typical problems on Targa models.
Resources for the Repair and Maintenance of your 1994 Porsche 911
1994 Porsche 911
1994 Porsche 911 Problems
Check Engine Light illumination and performance issues can be caused by oxygen sensor faults.
The brake warning display and warning gong can activate, typically after the first start of the day. The warning light/gong might stop after idling for a short time. This fault is usually caused by low stored hydraulic pressure due to a failed high pressure accumulator.
An external fluid leak may develop at the pressure switch; fluid will be evident in the trunk and the reservoir level will drop.
Over time, the engine can leak oil at various locations. Early-production vehicles require engine disassembly and modification to resolve leaks at the cylinder heads, oil return tubes, valve covers, timing cover, chain housings, case through bolts, and lines to/from the oil cooler.
1994 Porsche 911 Recalls (Recent)
1994 Porsche 911 Questions and Answers
Could not find any diagnostic procedures or wiring diagrams. Wondering if there are any common issues with these tops' thanks in advance