P0303 Buick Envision: Cylinder 3 Misfire Diagnosis

If your Buick Envision 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 vehicle’s third cylinder is misfiring. P0303 is a real drivability concern and should be dealt with right away. If … Read more

Buick Envision P0446: Meaning, Causes, How to Fix

A prevalent issue with the Buick Envision is the P0446 code. This code corresponds to a specific number obtained when connecting your Envision 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

Buick Envision P0442 Engine Code: Causes + How to Fix

One of the most common issues that happens with the Buick Envision 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

Buick Envision P0441: Meaning, Causes, How to Fix

P0441 is one of the more common OBD II codes that can occur in the Buick Envision.  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

Buick Envision P0430 Code: Causes + How to Fix

This page is meant to help you troubleshoot the Buick Envision 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

Buick Envision P0401: Meaning, Causes, How to Fix

P0401 is a very common OBDII trouble code that’ll pop up in the Buick Envision. 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

Buick Envision P0011: What it Means + How to Fix

P0011 is a common (and serious) OBD II diagnostic trouble code that can occur in the Buick Envision. 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 Envision’s oil. If the oil level is too low, the camshaft … Read more

Buick Envision 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 Buick Envision can have VVT and is prone to developing this code. P0010 is often by low or sludgy oil. Check your Envision’s oil as soon as possible. P0010 is a … Read more

Buick Envision P0301: Cylinder 1 – Misfire (Causes + How to Fix)

P0301 is a fairly common trouble code with the Buick Envision. It’s an OBD2 code and indicates that your vehicle’s first cylinder is misfiring. P0301 is certainly a cause for concern and should be considered a threat to the drivability of your Envision.  Fixing P0301 should be considered a high priority. Unlike a lot of … Read more