P0421 is a relatively rare OBDII trouble code. It’s generic, which means it has the same definition for the Pontiac Aztec 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 Pontiac Aztec’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 Pontiac Aztec as it would any other vehicle. P0506 Symptoms: Aztec Most … Read more
One of the most common trouble codes with the Pontiac Aztec is the P0496 code. This code number references a number that is given to you when you plug your Aztec into an OBDII scanner. Below, you’ll find the most common symptoms and ways to diagnose the P0496 in your Pontiac Aztec. Good Luck! … Read more
P0500 is a OBDII trouble code that affects the Pontiac Aztec‘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 Aztec 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 Pontiac Aztec 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 Pontiac Aztec owners may encounter. It indicates that there is an issue with the vehicle’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 Pontiac Aztec 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 Pontiac Aztec. 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 Aztec’s EGR system. … Read more
One of the most common trouble codes with the Pontiac Aztec is P0171. It indicates that your Pontiac Aztec is running lean on the bank one side. It’s the most common air/fuel mixture-related code. It’s not the most complicated OBDII trouble code to diagnose. It is also one of the most common codes. The most … Read more
P0305 is a fairly common trouble code with the Pontiac Aztec. It’s and OBD2 code and stands for: P0305 is certainly a cause for concern, and should be considered a threat to the drivability your Aztec. The nice thing about P0305 is that it’s a cylinder specific trouble code, which makes diagnosing the problems simpler … Read more