A truck with a diesel engine is a powerhouse. These vehicles are best for hauling large loads and towing trailers. But driving a diesel truck takes some getting used to.

If you’re not careful, then you can damage your engine or void your warranty. When driving a diesel truck, you should know these five mistakes to avoid to keep your truck running smoothly.

Driving on a Cold Engine

Diesel engines need to be warm before driving. Most trucks have a glow plug light that indicates when the engine is ready to drive. This time allows the oil to circulate and lubricate the engine. It also prevents premature wear on the engine.

If you try to drive too soon, you can damage your engine. Cold weather is tough on diesel engines, so be sure to give yours some time to warm up before driving in cold weather.

Not Changing the Fluids

When learning how to take care of your diesel truck, one of the first things you’ll discover is that changing fluids is necessary. You need to change your diesel truck’s fluids regularly. These fluids include engine oil, transmission fluid, and coolant.

Not changing your fluids can cause premature wear and tear on your engine. It can also lead to expensive repairs down the road. Check your owner’s manual for the recommended interval for changing your fluids.

Ignoring Signals

Your diesel truck has lots of sensors and gauges that let you know how it’s doing. The check engine light is one of the most important.

If this light comes on, there’s a problem with your engine. Ignoring it can lead to severe damage. Other lights on your dash indicate things like low oil pressure or a coolant leak. These are also important to pay attention to so that you don’t damage your truck. Eventually, you’ll need to look for new Isuzu trucks for sale, but you don’t want to do so prematurely.

Forgetting To Change the Fuel Filter

One thing you should know about your diesel truck is that it has a fuel filter that you need to change regularly. This filter catches any debris or contaminants that might be in the fuel.

If you don’t change it, it can get clogged and cause problems with your engine. Check your owner’s manual for the recommended interval for changing your fuel filter.

Pushing Your Engine Too Hard

Diesel engines work best under pressure. But that doesn’t mean you should abuse them. Pushing your engine too hard can lead to expensive repairs.

If you’re hauling a heavy load, take it easy on the accelerator. And avoid towing in hot weather. This weather can strain your engine and cause it to overheat. 

The last thing you want is to be on the road with a broken-down truck. These tips can help you avoid costly mistakes and keep your diesel truck running in top condition. Be sure to take care of your truck, and it will take care of you.

HFI Truck Center has a wide selection of new and used trucks. If you’re in the market for a new truck, check out our inventory. Our team of experts can help you find the perfect truck for your needs. Contact us today to learn more.