What are the most common Volkswagen GTI problems?

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 1991 Volkswagen GTI has 2 documented issues. The most frequently reported are: Idle stabilizer valve (ISV) fouling causing rough idle and stalling, Power window regulator failure. None are rated critical, but regular maintenance is recommended.

Is the Volkswagen GTI reliable?

The 1991 Volkswagen GTI has 2 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. No issues are rated critical, suggesting generally good reliability. Regular maintenance following the manufacturer's schedule helps prevent many common problems.

How much does it cost to fix common Volkswagen GTI problems?

Repair costs for known Volkswagen GTI issues range from $50 to $350, depending on the specific problem and whether you choose DIY or professional repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What is the 1990-1999 Volkswagen GTI Idle stabilizer valve (ISV) fouling causing rough idle and stalling?

The 8v/16v cars (including the 2.0 8v ABA) use an idle stabilizer valve to control idle air. It gums up internally with oil vapor and carbon over time, causing a low, hunting, or rough idle, especially when cold, and occasional stalling at stops. A cracked PCV hose or other vacuu… Repairs typically run $50-$350. Severity: low.

What is the 1990-1999 Volkswagen GTI Power window regulator failure?

The power-window regulators in MK2 and MK3 Golf/GTI are a widely reported wear item. The cable/plastic-sled mechanism fails so predictably that owners consider it a matter of when, not if. When it lets go the glass can drop into the door, sometimes with a loud pop or clunk. Repairs typically run $60-$350. Severity: low.

Volkswagen · Known Issues

1991 Volkswagen GTI Problems: 2 Known Issues

1991 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated August 2026

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According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 1991 Volkswagen GTI has 2 documented known issues. No issues are rated critical, indicating generally reliable ownership. Across all issues with published estimates, repair costs range from $50 to $350. DIY maintenance guides at au7o.io.

1991 Volkswagen GTI Problems: 2 Known Issues

All 2 Known Issues

1990-1999 Volkswagen GTI: Idle stabilizer valve (ISV) fouling causing rough idle and stalling#

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1990-1999 Volkswagen GTI: Power window regulator failure#