Volkswagen Jetta engine light issue due to chewed pig plug by rodents on Volkswagen Jetta

Submitted by Vehicle Owner · Jun 23, 2025
Published by RepairPal

Problem overview

Some Volkswagen Jetta owners report experiencing issues related to rodent damage, such as wiring being chewed through, which can trigger the engine light. This damage often affects the wiring connected to the spark plug, leading to electrical problems that disrupt the spark plug's function. Consequently, owners may face engine misfires or performance issues that activate the engine light. It is crucial for those who suspect rodent damage to have a professional inspect and repair the affected wiring to ensure proper functionality and prevent further complications. Prompt attention to these issues can help maintain the smooth operation of the vehicle.

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