Pontiac Aztec P0402: EGR → Excessive Flow Diagnosis

  P0402 is an OBDII trouble code that’ll pop up in the Pontiac Aztec. It has to do with the emissions system and stands for: P0402: EGR → Excessive Flow Diagnosis The EGR system on a vehicle is responsible for recirculating exhaust gasses in order to lower the vehicles emissions output. The amount of gas … Read more

Pontiac Aztec P0401: Meaning, Causes, How to Fix

P0401 is a very common OBDII trouble code that’ll pop up in the Pontiac Aztec. It has to do with the emissions system and stands for Exhaust Gas Recirculation (EGR)→ Insufficient Flow. The EGR system in your vehicle is responsible for recirculating exhaust gasses in order to lower the vehicle’s emissions output. There are three … Read more

Pontiac Aztec P0340 Code: Diagnosis, Causes, How to Fix

One of the more common engine management trouble codes that can occur in the Pontiac Aztec is P0340. It’s a generic code, which means it has the same definition for every car or truck made after 1996. P0340 is related to the camshaft position sensor and points to an issue with the wiring harness connected … Read more

Pontiac Aztec P0300: Meaning, Causes, + How to Fix

P0300 is a generic OBDII code that can occur with the Pontiac Aztec. This code indicates that your vehicle’s engine is misfiring and can be a drivability threat. P0300 is often accompanied by cylinder-specific misfire codes (P030X, where the X indicates the cylinder number that is misfiring). If you have P0300 and a cylinder-specific misfire, … Read more

Pontiac Aztec P0113: IAT Sensor → High Input Problem

P0113 is an OBDII trouble code that occurs when the Pontiac Aztec’s engine management computer detects that there is an issue with the Intake Air Temperature (IAT) Sensor, specifically that there is a High Input Problem with it. P0113: IAT Sensor – High Input Problem The IAT sensor is responsible for measuring the air temperature … Read more

Pontiac Aztec P0011: What it Means + How to Fix

P0011 is a common (and serious) OBD II diagnostic trouble code that can occur in the Pontiac Aztec. It indicates an issue with your vehicle’s Variable Valve Timing (VVT) system. The first thing you should do when you have this code is check your Aztec’s oil. If the oil level is too low, the camshaft … Read more

Pontiac Aztec P0010: Causes + Likely Fix

P0010 is a relatively common trouble code. It affects vehicles with variable valve timing (VVT). The list of VVT vehicles is growing, and the Pontiac Aztec can have VVT and is prone to developing this code. P0010 is often by low or sludgy oil. Check your Aztec’s oil as soon as possible. P0010 is a … Read more

Pontiac Aztec P0140: O2 Sensor → No Activity Detected B1S2

P0140 is a generic OBDII trouble code. It has the same meaning for any vehicle with OBDII, including the Pontiac Aztec. It means that the PCM/ECM is not detecting any activity from the sensor.  It doesn’t mean that the O2 sensor isn’t getting power, but that the voltage isn’t changing, which is the “no activity”. … Read more