Pontiac Aztec P0134: O2 Sensor → No Activity Detected B1S1

P0134 is a relatively common OBDII trouble code. It’s generic, which means that it has the same meaning for any vehicle with OBDII. It means that the PCM/ECM is not detecting any activity from the sensor.   P0134 Definition P0134: O2 Sensor → No Activity Detected →Bank 1 Sensor 1 The Aztec’s computer uses the … Read more

Pontiac Aztec P0455: Meaning, Causes, + How to Fix

P0455 in the Pontiac Aztec is a trouble code that indicates your truck has a LARGE evaporative emissions leak. With this code, you shouldn’t notice any symptoms besides perhaps a noticeable fuel smell. P0455 usually is not an immediate threat to the driveability of your Aztec. But, whenever the check engine light is on, it’s … Read more

Pontiac Aztec P0325 Code: Causes + How to Fix

The Pontiac Aztec is a reliable and popular vehicle, but it can have its issues. One common issue is the P0325 trouble code, which can indicate a variety of problems. In this article, we’ll discuss the causes of this code and how to fix it. The knock sensor’s primary role is to detect and monitor … Read more

Pontiac Aztec P0420: Meaning, Causes, + How to Fix

This page is meant to help you troubleshoot the Pontiac Aztec P0420 trouble code. It covers the P0420 code’s meaning, symptoms, causes, and possible solutions. P0420 is the most common OBDII code and is virtually never a breakdown risk. A failing oxygen sensor or bad catalytic converter are the most common causes of P0420. Table … Read more

Pontiac Aztec P0457: EVAP System – Leak Detected

P0457 is a somewhat common trouble code with the Pontiac Aztec. This code references a number that is given to you when you plug your Aztec into a OBDII scanner. P0457 Indicates that there is a leak in the Evaporative Emission Control (EVAP) System. It is similar to P0455 (large leak) and P0456 (small leak) … Read more