GMC Yukon: Bad Alternator → Symptoms & Diagnosis

A bad alternator can leave your GMC Yukon 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 Yukon’s Alternator Works The alternator’s job … Read more

GMC Yukon Bad Fuel Filter: Symptoms, Causes, Hot to Fix

A bad fuel filter is one of the worst problems that can happen to your GMC Yukon.  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

GMC Yukon Bad Spark Plugs: Symptoms, Diagnosis, + How to Fix

An engine functions as a pump, requiring a precise combination of fuel, air, and spark. If any element of this trio is imbalanced, your GMC Yukon 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

GMC Yukon Bad Oxygen Sensor: Symptoms and Diagnosis + How to Fix

Oxygen sensors play a crucial role in your GMC Yukon’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

GMC Yukon Low Oil Pressure: Diagnosis and Causes

One of the most serious issues that can happen to your GMC Yukon‘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

GMC Yukon Blown Head Gasket: Symptoms, Causes, How to Fix

One of the most common (and) critical major engine problems is a blown head gasket. If your GMC Yukon has blown a head gasket, you may find it running poorly or not at all.  Below you’ll find the symptoms, causes, and price of a GMC Yukon head gasket. Recognizing the signs of a blown head gasket in your … Read more

GMC-Yukon Catalytic Converter: Price, Location, and Diagnosis

Your GMC Yukon leaves the factory with a catalytic converter.  It can run into problems over the normal life of the vehicle, and is often accompanied by OBDII code P0420.  Below we’ll cover the location, price, and symptoms of a bad torque converter in your Yukon.   Menu: Catalytic Converter Price Yukon Catalytic Converter Location … Read more

GMC Yukon Bad Fuel Pressure Regulator: Symptoms, ID, How to Fix

One of the most common issues with any vehicle, including the GMC Yukon, is when it has fuel pressure regulator issues. A bad fuel pressure regulator can cause all sorts of problems. A bad fuel pressure regulator can cause various symptoms in your GMC Yukon, the most common being engine performance problems. This can result from either too … Read more

GMC Yukon Troubleshooting: Shakes When Braking

  If you find your GMC Yukon‘s steering wheel shakes or vibrates when you press the brakes, it is almost always the brake rotors that are the cause of the problem.  There are plenty of other issues that can cause the steering wheel to wobble.  But, if your Yukon is only shaking when braking, that’s … Read more

GMC Yukon White Exhaust Smoke: Causes, Diagnosis, How to Fix

If you own a GMC Yukon, you may have noticed white exhaust smoke coming from your vehicle on occasion. This can be concerning, and it’s essential to understand the possible causes behind this phenomenon to address the issue promptly and efficiently. Several factors can contribute to white smoke emanating from your vehicle’s exhaust pipe, and … Read more