One of the most common problems with the Toyota 4Runner (or any vehicle) is when the brakes are grinding. The number one cause of grinding brakes is going to be brake pads that have worn all of their friction material off. But, there are other causes as well. Your Toyota 4Runner is always going … Read more
If your Toyota 4Runner’s steering wheel is shaking, you should deal with it immediately. A shaking steering wheel in the Toyota 4Runner is caused by anything from the wheels and tires through the suspension (ball joints, tie rods, etc.) to the braking system. We’ll start with the easiest things to check and move towards things … Read more
Bad Coil Packs are one of the more problematic ignition issues that can occur with the Toyota 4Runner. A bad oil pack can make your 4Runner almost un-drivable. Or it may have little effect at all on the engine’s ability to run. It’ll get worse as they lose their ability to fire the spark plugs. … Read more
If your Toyota 4Runner doesn’t start, you’ve found the right article. Many different issues can cause the problem. We cover all the likely ones in an order that makes sense when diagnosing the issue at home. This article is written with the assumption that you are looking for a way to get your Toyota 4Runner … Read more
A bad fuel pump can cause a myriad of problems for your Toyota 4Runner, making it essential to be aware of the warning signs that indicate trouble. Your fuel pump is responsible for pushing fuel from your vehicle’s fuel tank to the engine, but when it starts to fail, your engine may suffer run rough, … Read more
A bad alternator can leave your Toyota 4Runner without power and unable to move. Alternators don’t always go bad in the exact same way. We’ll cover the symptoms of when an alternator goes bad, and how to diagnose a bad one (which is really pretty easy). How Your 4Runner’s Alternator Works The alternator’s job … Read more
A bad fuel filter is one of the worst problems that can happen to your Toyota 4Runner. When the filter fails, it can limit the amount of fuel that enters the engine. Without proper fuel pressure, your vehicle will not run at all. With that in mind, most of the symptoms of a bad fuel filter revolve … Read more
An engine functions as a pump, requiring a precise combination of fuel, air, and spark. If any element of this trio is imbalanced, your Toyota 4Runner won’t run right (or at all). While a misfire is the symptom of bad spark plugs, bad spark plugs almost always indicate a problem with the engine (more on … Read more
Oxygen sensors play a crucial role in your Toyota 4Runner’s emissions system and fuel management. These sensors detect the levels of oxygen present in the exhaust, which is a primary component in maintaining the optimal air-fuel ratio. A damaged or faulty oxygen sensor can have a significant impact on your vehicle’s overall performance, making it … Read more
One of the most serious issues that can happen to your Toyota 4Runner‘s engine is if it ends up with low oil pressure. Low oil pressure will cause the engine to seize up. When the oil pressure light on, it should be assumed that the engine locking up is imminent. We advise not running the … Read more