Trouble Codes

Saturn Astra P0171: Causes, Diagnosis, + How to Fix

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One of the most common trouble codes with the Saturn Astra is P0171. It indicates that your Saturn Astra 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

Saturn Aura P0171: Causes, Diagnosis, + How to Fix

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One of the most common trouble codes with the Saturn Aura is P0171. It indicates that your Saturn Aura 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

Saturn Sky P0442 Engine Code: Causes + How to Fix

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One of the most common issues that happens with the Saturn Sky is the P0442 trouble code. This code appears when connecting the vehicle to an OBDII scanner and pertains to the emissions system.  While it’s unlikely to cause a breakdown, it can be bothersome and may result in a failed emissions test for your … Read more

Saturn Relay P0442 Engine Code: Causes + How to Fix

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One of the most common issues that happens with the Saturn Relay is the P0442 trouble code. This code appears when connecting the vehicle to an OBDII scanner and pertains to the emissions system.  While it’s unlikely to cause a breakdown, it can be bothersome and may result in a failed emissions test for your … Read more

Saturn Ion P0442 Engine Code: Causes + How to Fix

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One of the most common issues that happens with the Saturn Ion is the P0442 trouble code. This code appears when connecting the vehicle to an OBDII scanner and pertains to the emissions system.  While it’s unlikely to cause a breakdown, it can be bothersome and may result in a failed emissions test for your … Read more

Saturn Astra P0442 Engine Code: Causes + How to Fix

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One of the most common issues that happens with the Saturn Astra is the P0442 trouble code. This code appears when connecting the vehicle to an OBDII scanner and pertains to the emissions system.  While it’s unlikely to cause a breakdown, it can be bothersome and may result in a failed emissions test for your … Read more

Saturn Aura P0442 Engine Code: Causes + How to Fix

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One of the most common issues that happens with the Saturn Aura is the P0442 trouble code. This code appears when connecting the vehicle to an OBDII scanner and pertains to the emissions system.  While it’s unlikely to cause a breakdown, it can be bothersome and may result in a failed emissions test for your … Read more

Saturn Ion P0420: Meaning, Causes, + How to Fix

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This page is meant to help you troubleshoot the Saturn Ion 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

Saturn Relay P0420: Meaning, Causes, + How to Fix

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This page is meant to help you troubleshoot the Saturn Relay 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

Saturn Astra P0420: Meaning, Causes, + How to Fix

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This page is meant to help you troubleshoot the Saturn Astra 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