Oxygen sensors play a crucial role in your Saturn SL’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 car’s overall performance, making it … Read more
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 Saturn SL’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 SL’s ECU. … Read more
One of the worst problems that can happen to a vehicle is a bad fuel pump. If your Saturn SL’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 SL will not run at all. With … 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 (Saturn SL included). There’s always more than one fuel injector, and even one going bad is enough to make … Read more
A bad fuel filter is one of the worst problems that can happen to your Saturn SL. When the filter fails, it can limit the amount of fuel that enters the engine. Without proper fuel pressure, your car will not run at all. With that in mind, most of the symptoms of a bad fuel filter revolve … Read more
Extreme weather can be very difficult on your Saturn SL. If there is an issue it often make itself known when conditions are at their worst. When it’s extremely hot. it’s the cooling system that is put to the test. In the winter, the vehicle won’t start when it is cold. There are a … Read more
A bad timing belt or timing chain can be a serious issue. If it jumps a tooth or breaks entirely, it can lead to permanent engine damage. Knowing the symptoms of a bad timing belt or chain is vital so this doesn’t happen to your Saturn SL. Timing belts are made out of rubber and … Read more
There are a few easy to fix reasons why your Saturn SL’s key might get stuck in the ignition. It’s often easy to unstick the key. Whatever you do, don’t start trying to rip it out of the ignition. That can cause bigger problems. This article is written with the assumption that your key is … Read more
If your Saturn SL’s steering wheel is hard to turn, it’s almost always going to be caused by an issue with the power steering system. But there can be other causes as well. Your car’s power steering system is responsible for taking energy from the engine, converting it to hydraulic pressure, and using that pressure … Read more
A very common problem that affects all vehicles (including the Saturn SL) is blue smoke coming from the exhaust. Reasons for blue exhaust smoke include bad valve seals, valve train wear in general, the PCV valve, burning transmission fluid and more. Blue smoke indicates that your SL’s engine is burning oil. The question is … Read more