P0306 is a fairly common trouble code with the Saturn SL. It’s and OBD2 code and stands for: P0306 is certainly a cause for concern, and should be considered a threat to the drivability your SL. The nice thing about P0306 is that it’s a cylinder specific trouble code, which makes diagnosing the problems much … Read more
P0411 is a general OBDII trouble code, which means that it has the same meaning for the Saturn SL as it would any other car or truck. By definition, the code is letting you know that the ECM has detected incorrect flow in the secondary air injection system. P0411: Secondary Air Injection System → Incorrect … Read more
P0421 is a relatively rare OBDII trouble code. It’s generic, which means it has the same definition for the Saturn SL as it would any other vehicle. It is technically defined as “Warm Up Catalyst Efficiency → Below Threshold (Bank 1)”. In layman’s terms, it indicates that your Saturn SL’s catalytic converter is not scrubbing pollutants efficiently … Read more
P0506 is a common OBDII trouble code. It is typically triggered when the engine idle speed is lower than the predetermined limit set by the manufacturer. It is a generic code, which means that it has the same meaning for the Saturn SL as it would any other vehicle. P0506 Symptoms: SL Most … Read more
One of the most common trouble codes with the Saturn SL is the P0496 code. This code number references a number that is given to you when you plug your SL into an OBDII scanner. Below, you’ll find the most common symptoms and ways to diagnose the P0496 in your Saturn SL. Good Luck! … Read more
P0500 is a OBDII trouble code that affects the Saturn SL‘s Vehicle Speed Sensor (VSS). The VSS sends a signal to the engine’s computer letting it know how fast that the vehicle is going. The SL uses this signal for many vehicle functions. It helps control transmission shifts, ABS, cruise control, the speedometer, and … Read more
P0410 is a generic OBDII trouble code. This means that it has the same meaning for the Saturn SL as it would any other vehicle. It is letting you know that there is an issue with the secondary air injection system. P0410: Secondary Air Injection System → Malfunction The secondary air injection system injects air … Read more
The P0440 code is a common trouble code that many Saturn SL owners may encounter. It indicates that there is an issue with the car’s Evaporative Emission Control (EVAP) system. Specifically, the EVAP system is malfunctioning. A variety of causes can trigger the P0440 code, with the most common one being a loose or damaged … Read more
P0403 is a very common trouble code. It is a generic code, which means that it has the same meaning for the Saturn SL as it would any other vehicle. It affects the EGR (Exhaust Gas Recirculation System and technically means: P0403: EGR→ Circuit Malfunction A circuit malfunction implies that there is a wiring problem … Read more
P0401 is a common OBDII trouble code that’ll pop up in the Saturn SL. It has to do with the emissions system and stands for: The EGR system on a vehicle is responsible for recirculating exhaust gasses in order to lower the vehicles emissions output. There are three main parts of the SL’s EGR system. … Read more