Engine Electrical System
Engine Electrical Systems in a vehicle comprise the network of electrical components and wiring that power essential engine functions and vehicle operations.

Frequently asked questions
If it's a car, we'll fix it. If it's a question, we'll answer it.
Diagnostics is a separate service as it involves specialized tools, expertise and time. Once diagnostics are completed, our friendly service writers will discuss recommended repairs and associated costs with you before proceeding with any services.
You may have heard several different definitions of a "tune up." Typically, our engine tune ups include checking, diagnosing and replacing spark plugs and any necessary engine wiring. However, we offer comprehensive diagnostics and mechanical services to take care of any issues you may be experiencing.
Frequency recommendations for engine tune-ups depend on the vehicle. Reference your vehicle manufacturer's recommendations. Regular tune-ups help maintain optimal engine efficiency.
Regular maintenance, such as battery checks, alternator tests, and electrical system inspections, can help identify potential issues early and prevent breakdowns.
The alternator generates electricity to charge the battery and power the vehicle's electrical systems. Signs you may have an alternator failure include trouble starting your vehicle, dim lights, battery warning light, and low battery levels. Our certified technicians can help accurately diagnose if there is an issue with your alternator or another component of your vehicle.
Yes, a failing battery can impact the entire engine electrical system, as other components rely on the battery to start and provide power.
There are many electronic components and sensors that manage your vehicle's emissions and performance. When one of these fails, the "check engine" light or "CEL" is illuminated (commonly yellow) on your dashboard. Although your car may seem to run or drive fine, it is important to have the issue addressed to prevent damage from occurring. There are times when a check engine light is a simple fix, and others where it is a much more serious problem.
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Gateway Auto offers service, collision, fleet and quality vehicle sales under the same trusted brand to ensure you stay on the road with a team by your side.
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