Why is my check engine light on?

Regular maintenance is the best way to keep your vans on the road, prevent costly repairs, and avoid unexpected downtime. Routine services like brake inspections, tire rotations, fluid checks and flushes, battery testing, and alignments help extend the life of your fleet and improve fuel efficiency. Catching small issues early—like unusual noises, sluggish performance, or dashboard warnings—can prevent bigger problems down the road. When repairs are needed, getting them done quickly is essential to keeping your business on track. At David’s Automotive Repair, we know that every minute your van is off the road costs your business time and money. That’s why we offer same-day repairs whenever possible to get your fleet back in action fast. Call us at 972-625-1836 to schedule a reservation and keep your vans running strong!

One common cause is low coolant levels. Your engine needs coolant to stay at the right temperature, and if there’s a leak or not enough fluid, it can overheat. A failing thermostat might also be to blame. If it gets stuck, it can prevent coolant from flowing properly. Other possible causes include a faulty water pump, a clogged radiator, or a broken cooling fan, all of which help regulate engine temperature. If your temperature gauge keeps rising, it’s best to have your car checked right away. Driving with an overheating engine can lead to costly repairs or even a breakdown. At David’s Automotive Repair, we can diagnose the problem and get your cooling system working properly again. Call us at 972-625-1836 to schedule a reservation today!

The light can come on for many reasons, from a loose gas cap to a more serious engine issue. If the light is steady, your car may still be safe to drive, but you should have it checked soon. If it’s flashing, it could mean a more urgent problem that needs immediate attention. In either case, it’s best to avoid long drives until you know what’s wrong. Getting your car checked as soon as possible can prevent small problems from turning into costly repairs. At David’s Automotive Repair, we can perform testing and analysis to find out what’s causing your check engine light to come on. Don’t wait until it leads to bigger issues—call us at 972-625-1836 to schedule a reservation today!

The exhaust system helps control engine noise. So when something goes wrong, you might hear loud rumbling, hissing, or rattling sounds. A common cause is a leak in the exhaust system. If there’s a hole or crack in the pipes, muffler, or catalytic converter, it can make your car much noisier. A damaged muffler won’t be able to quiet the engine’s sound like it should. Loose or broken parts in the exhaust system can also create rattling noises, especially when driving over bumps. In some cases, a failing catalytic converter can cause a loud roar or even a rattling sound if parts inside it have broken apart. Ignoring a loud exhaust can lead to bigger problems. This includes reduced engine performance and harmful fumes leaking into the cabin. If your car is making unusual noises, it’s best to have it checked as soon as possible. At David’s Automotive Repair, we can inspect your exhaust system and get your car running smoothly again. Call us at 972-625-1836 to schedule a reservation today!

A clogged air filter can make the engine work harder, using more gas than necessary. Low tire pressure can also waste fuel by creating extra resistance while driving. Problems with the fuel system, like dirty fuel injectors, can keep the engine from burning gas efficiently. Even a bad oxygen sensor can throw off the fuel mixture, causing your car to use more gas than it needs. Driving habits also play a role—quick acceleration and hard braking can use up fuel faster than steady driving. If your car is burning more gas than usual, it’s a good idea to get it checked out. Fixing small issues now can save you money at the pump and help your car run better. At David’s Automotive Repair, we can find out what’s causing the problem and get your fuel efficiency back on track. Call us at 972-625-1836 to schedule a reservation today!

One of the biggest reasons this happens is a problem with the suspension system, which helps keep your tires in the right position on the road. When the suspension is out of alignment, some parts of the tires may wear out faster than others. Worn-out shocks or struts can make the tires bounce too much, causing uneven wear. If any suspension parts are loose or damaged, they can change how weight is spread across the tires. This leads to bald spots or rough edges. Even low tire pressure can make the problem worse if the suspension isn’t working right. Taking care of your suspension helps your tires last longer and keeps your ride smooth. If you notice uneven tire wear, it’s a good idea to have it checked before it leads to bigger problems. At David’s Automotive Repair, we can inspect your suspension and tires to keep you safe on the road. Call us at 972-625-1836 to schedule a reservation today!

Simple things like fluid checks and flushes, brake checks, and tire rotations keep your trucks running longer and safer. If you notice strange noises, low power, or warning lights, it’s best to get them checked before the problem gets worse. At David’s Automotive Repair, we work on both gas and diesel fleet trucks and offer same-day repairs whenever possible. With our 25,000-pound outdoor lift, we can handle larger trucks with ease. Call us at 972-625-1836 to schedule a reservation and keep your fleet moving!

If your heater is blowing cold air, it could be a sign that something isn’t working properly under the hood. One common cause is low coolant levels. Your car’s heating system relies on hot engine coolant to warm the air before it enters the cabin. If there isn’t enough coolant, the system can’t do its job. A malfunctioning thermostat could also be the culprit. If it’s stuck open, the engine may not reach the right temperature to heat the air. Another possibility is a clogged heater core, which can prevent warm coolant from flowing where it’s needed. Sometimes, air pockets in the cooling system or a faulty blend door can also keep warm air from reaching your vents. If your heater isn’t working as it should, it’s best to have it checked by a professional. Ignoring the problem could lead to bigger issues down the road. At David’s Automotive Repair, our team can diagnose the issue and get your heater working again so you can stay comfortable on the road. Give us a call at 972-625-1836 to schedule a reservation today!

One common reason is low power steering fluid. The power steering system relies on fluid to help make steering easier. If the fluid is low or there’s a leak, it can cause the steering wheel to feel harder to turn. Another possibility is a problem with the power steering pump. If this pump isn’t working properly, it won’t provide the necessary pressure to assist with steering. A worn-out or damaged steering belt can also cause stiffness because it might not be turning the pump efficiently. In some cases, stiff steering could be caused by an issue with the steering rack or a blockage in the system or even a slipping serpentine belt. If you notice any unusual noises or difficulty turning your wheel, it's important to get your steering system checked out. If your steering wheel feels stiff, call us at David's Automotive Repair at 972-625-1836. Our team will help diagnose the issue and get you back on the road.