Extended crank time for cold engine due to glow plug failure on Volkswagen Golf

Problem Description and Possible Solution
Glow plug failure is common and results in extended crank time when the engine is cold.
Problem Data
RepairPal Verified
Average mileage: (–)
Engines affected: 1.6L 4 Cylinder Diesel Turbo, 1.9L 4 Cylinder Diesel Turbo, Diesel
5 model years affected: 1990, 1991, 1992, 1993, more1994
5 people reported this problem