The mass airflow sensor (commonly abbreviated to MAF) is one of the most important engine management sensors. A bad mass airflow sensor can leave your Saab 9-4X’s engine running rough, or even inoperable. A MAF sensor measures the density of the air entering the intake manifold. It passes this information onto your 9-4X’s ECU. … Read more
One of the most inconvenient things that can happen to your 9-4X is when the speedometer stops working. You don’t really realize how much you look at the thing until it’s just always sitting at 0 MPH while driving down the road. If your Saab 9-4X’s speedometer is not working, it’s usually going to … Read more
One of the most inconvenient vehicular problems is when the A/C won’t blow cold air. If your Saab 9-4X isn’t keeping you cool, we’ve outlined some of the most common reasons why this might be happening. The only thing that the air conditioning system has in common with the heater is that they both use … Read more
Fuel injectors can go the life of a modern vehicle with little to no trouble at all. That being said, bad fuel injectors are one of the more common issues that happen to any vehicle (Saab 9-4X included). There’s always more than one, and one going bad is enough to make a noticeable impact … Read more
One of the most common problems with the Saab 9-4X (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 Saab 9-4X is always going … Read more
A shaking steering wheel can be a sign of many problems. It is nothing to be taken lightly. If your Saab 9-4X‘s steering wheel is shaking it should be addressed as soon as possible. A great place to start is to determine when your steering wheel shakes. That can help narrow it down. Steering Wheel … Read more
Bad Coil Packs are one of the more problematic ignition issues that can occur with the Saab 9-4X. A bad oil pack can make your 9-4X 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
It can be very frustrating when a vehicle won’t start. There are many different issues that can cause the problem. This article is written with the assumption that you are looking for a way to get your Saab 9-4X started now, and is meant to provide you with practical advice to help aid … Read more
One of the worst problems that can happen to a vehicle is a bad fuel pump. If your Saab 9-4X’s fuel pump goes bad, no fuel (or not enough fuel depending on whether or not it’s out all the way) can enter the engine. Without gas your 9-4X will not run at all. With … Read more
A bad alternator can leave your Saab 9-4X 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 9-4X’s Alternator Works The alternator’s job … Read more