Saturn Astra P0441: Meaning, Causes, How to Fix

P0441 is one of the more common OBD II codes that can occur in the Saturn Astra.  It is frequently caused by a loose or bad gas cap, cracked or disconnected EVAP system hoses, vacuum leaks, or a bad purge valve. Always start by taking a look at the gas cap. P0441 is related to … Read more

P0121 Saturn Astra

P0121 is a somewhat common trouble code with the Saturn Astra. It’s an OBDII code and has to do with the Throttle Pedal Position Sensor. It is relatively serious problem since it leaves your vehicle in failsafe mode. P0121: Throttle Pedal Position Sensor → Switch (TPS) A Circuit Range → Performance Problem OBDII code P0121 … Read more

Saturn Astra P0455: Meaning, Causes, + How to Fix

P0455 in the Saturn Astra 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 Astra. But, whenever the check engine light is on, it’s … Read more

Saturn Astra P0401: Meaning, Causes, How to Fix

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

Saturn Astra P0446: Meaning, Causes, How to Fix

A prevalent issue with the Saturn Astra is the P0446 code. This code corresponds to a specific number obtained when connecting your Astra to an OBDII scanner. A faulty vent control valve most commonly causes P0446. Definition P0446: EVAP System – Vent Control Circuit – Malfunction Symptoms Usually none Common Causes Bad EVAP Vent Control … Read more

P0135 Saturn Astra

P0135 is a very common OBDII code that occurs in the Saturn Astra. It is caused by a failure in one of the oxygen sensors heated elements, specifically bank 1 sensor 1. It technically stands for: P0135: Heated Oxygen Sensor → Sensor Heater Circuit Malfunction → Bank 1, Sensor 1 The purpose of the heated … Read more

Saturn Astra P0304: Cylinder 4 Misfire – Diagnosis + Fix

If your Saturn Astra has the P0304 trouble code, you should know that it’s about as common of a code as there is. It’s a generic OBD IIcode (same meaning for all vehicles) that indicates that your car’s fourth cylinder is misfiring. P0304 is a drivability concern and should be dealt with right away. If … Read more

Saturn Astra P0430 Code: Causes + How to Fix

This page is meant to help you troubleshoot the Saturn Astra P0430 trouble code. It covers the P0430 code’s meaning, symptoms, causes, and possible solutions. P0430 is an emissions-related trouble code and is virtually never a breakdown risk. P0430 is usually caused by a catalytic converter issue or a bad O2 sensor. Table of Contents … Read more

P0741 Saturn Astra

P0741 is a very common trouble code. It’s know to affect the Saturn Astra quite often. Here’s what it means: P0741: Torque Converter Clutch Circuit → Performance or Stuck Off The Astra uses a clutch in the torque converter to lock the engine and transmission together at highway speed. P0741 can register whenever this connection … Read more

P0303 Saturn Astra: Cylinder 3 Misfire Diagnosis

If your Saturn Astra has the P0303 trouble code, you should know that it’s about as common of a code as there is. It’s a generic code (same meaning for all vehicles) that indicates that your car’s third cylinder is misfiring. P0303 is a real drivability concern and should be dealt with right away. If … Read more