P0520 is a common OBD2 trouble code. It’s generic, which means that it has the same meaning for the Saab 9-4X as it would any other vehicle. P0520 indicates that the oil pressure sensor is operating outside of its normal “range”. It is typically caused by a bad oil pressure sensor switch or a … Read more
P0108 is a generic OBD-II trouble code. It indicates your Saab 9-4X’s MAP (manifold absolute pressure) sensor’s voltage reading is outside of the normal operating range. The voltage is too high. It’s most commonly caused by a bad MAP sensor, wiring issue, or vacuum leak. The MAP sensor measures the air pressure coming into … Read more
P0443 is a very common OBD2 code. It’s generic, which means that it has the same meaning for the Saab 9-4X as it would for any other vehicle. If your 9-4X has this code, it is indicating the EVAP purge control valve circuit is malfunctioning.. This is typically caused by a short in the wiring … Read more
P0521 is an OBD2 diagnostic code that is triggered when your Saab 9-4X detects that the value being sent from the oil pressure sensor is out of its normal operating range. It is typically caused by a bad oil pressure sensor or an issue with the oil system, and should be diagnosed and fixed right … Read more
P0562 is a common OBD-II trouble code. It’s a general code, which means that it means the same thing for any vehicle, including the Saab 9-4X. P0562 indicates that the system voltage is below 10 volts for a solid minute. With the engine running, the system voltage should be 14.1-14.4 volts, and it’s typically caused … Read more
Your Saab 9-4X’s water pump is one of the most crucial parts of the engine. If it doesn’t pump water through the engine, it’s going to overheat and do a lot of damage. Typical signs of a bad water pump include overheating, white smoke, a bad smell, rough idle, and more. A water pump works … Read more
If your Saab 9-4X is running hot, it is a serious problem. If it gets too hot, it leads to overheating. A hot engine is usually caused by a few different things, such as the thermostat, water pump, radiator, or outside conditions. Saab 9-4X Running Hot Symptoms Obviously, the main symptom of running … Read more
A rod knock is a very serious problem. If your Saab 9-4X has a knocking rod, it’s almost always going to be caused by a failure of the rod bearing or the rod caps (leading to a spun bearing) or lack of oil. If you do have a rod knock, don’t ignore it for … Read more
Your Saab 9-4X’s torque converter is responsible for converting the energy generated by the engine at the flywheel and transferring it to the transmission, creating a bridge between the engine and the transmission. In the Saab 9-4X, a bad torque converter is often caused by bad transmission fluid, worn clutches, bad seals, or loose … Read more
If your Saab 9-4X’s battery light is on, it means a few things. It is trying to warn you that there is an issue with the charging system. The charging system itself is relatively simple. It’s almost always going to be caused by a bad battery or alternator. The battery light comes on when it … Read more