Posted on 12/16/2025
December 2025 All Tech Automotive, Fort Collins, CO Winter in Fort Collins brings freezing temperatures, snow-packed roads, and rapid weather changes, all of which can put extra strain on your car or truck. One of the most common warning signs drivers notice during colder months is that the check engine light will appear on the dashboard. While it can be unsettling, this warning doesn’t always mean a major repair is needed. Understanding why the light comes on, and what steps to take next, can help you avoid breakdowns and costly damage this winter. Why Winter Triggers Check Engine Lights in Colorado Cold weather affects vehicles differently than the summer heat. In Fort Collins, winter-related check engine light causes often include: Battery voltage drops from cold starts Sensor issues caused by temperature changes Emissions system faults Fuel system pressure changes Engine misfires due to cold co ... read more